[1] : The Collaborative International Dictionary of English v.0.48

pennyroyal \pen`nyroy"al\, n. a corruption of oe. puliall
   royal. oe. puliall is ultimately derived fr. l. puleium, or
   pulegium regium so called as being good against fleas, fr.
   pulex a flea; and royal is a translation of l. regium, in
   puleium regium. bot.
   an aromatic herb mentha pulegium of europe; also, a north
   american plant hedeoma pulegioides resembling it in
   flavor.
   1913 webster

   bastard pennyroyal bot. see blue curls, under blue.
      1913 webster
see also:
mentha pulegium hedeoma pulegioides bastard pennyroyal blue curls blue 

[2] : The Collaborative International Dictionary of English v.0.48

blue \blue\ bl=u, a. compar. bluer bl=u"~er;
   superl. bluest. oe. bla, blo, blew, blue, livid, black,
   fr. icel.bl=ar livid; akin to dan. blaa blue, sw. bla,
   d. blauw, ohg. bl=ao, g. blau; but influenced in form by f.
   bleu, from ohg. bl=ao.
   1. having the color of the clear sky, or a hue resembling it,
      whether lighter or darker; as, the deep, blue sea; as blue
      as a sapphire; blue violets. "the blue firmament."
      --milton.
      1913 webster

   2. pale, without redness or glare, -- said of a flame; hence,
      of the color of burning brimstone, betokening the presence
      of ghosts or devils; as, the candle burns blue; the air
      was blue with oaths.
      1913 webster

   3. low in spirits; melancholy; as, to feel blue.
      1913 webster

   4. suited to produce low spirits; gloomy in prospect; as,
      thongs looked blue. colloq.
      1913 webster

   5. severe or over strict in morals; gloom; as, blue and sour
      religionists; suiting one who is over strict in morals;
      inculcating an impracticable, severe, or gloomy mortality;
      as, blue laws.
      1913 webster

   6. literary; -- applied to women; -- an abbreviation of
      bluestocking. colloq.
      1913 webster

            the ladies were very blue and well informed.
                                                  --thackeray.
      1913 webster

   blue asbestus. see crocidolite.

   blue black, of, or having, a very dark blue color, almost
      black.

   blue blood. see under blood.

   blue buck zool., a small south african antelope
      cephalophus pygmaeus; also applied to a larger
      species aegoceras leucophaeus; the blaubok.

   blue cod zool., the buffalo cod.

   blue crab zool., the common edible crab of the atlantic
      coast of the united states callinectes hastatus.

   blue curls bot., a common plant trichostema
      dichotomum, resembling pennyroyal, and hence called also
      bastard pennyroyal.

   blue devils, apparitions supposed to be seen by persons
      suffering with delirium tremens; hence, very low
      spirits. "can gumbo shut the hall door upon blue devils,
      or lay them all in a red sea of claret?" --thackeray.

   blue gage. see under gage, a plum.

   blue gum, an australian myrtaceous tree eucalyptus
      globulus, of the loftiest proportions, now cultivated in
      tropical and warm temperate regions for its timber, and as
      a protection against malaria. the essential oil is
      beginning to be used in medicine. the timber is very
      useful. see eucalyptus.

   blue jack, blue stone, blue vitriol; sulphate of copper.
      

   blue jacket, a man-of war's man; a sailor wearing a naval
      uniform.

   blue jaundice. see under jaundice.

   blue laws, a name first used in the eighteenth century to
      describe certain supposititious laws of extreme rigor
      reported to have been enacted in new haven; hence, any
      puritanical laws. u. s.

   blue light, a composition which burns with a brilliant blue
      flame; -- used in pyrotechnics and as a night signal at
      sea, and in military operations.

   blue mantle her., one of the four pursuivants of the
      english college of arms; -- so called from the color of
      his official robes.

   blue mass, a preparation of mercury from which is formed
      the blue pill. --mcelrath.

   blue mold or blue mould, the blue fungus aspergillus
      glaucus which grows on cheese. --brande  c.

   blue monday,
      a a monday following a sunday of dissipation, or itself
          given to dissipation as the monday before lent.
      b a monday considered as depressing because it is a
          workday in contrast to the relaxation of the weekend.
          

   blue ointment med., mercurial ointment.

   blue peter british marine, a blue flag with a white
      square in the center, used as a signal for sailing, to
      recall boats, etc. it is a corruption of blue repeater,
      one of the british signal flags.

   blue pill. med.
      a a pill of prepared mercury, used as an aperient, etc.
      b blue mass.

   blue ribbon.
      a the ribbon worn by members of the order of the garter;
          -- hence, a member of that order.
      b anything the attainment of which is an object of great
          ambition; a distinction; a prize. "these
          scholarships were the --blue ribbon of the college."
          --farrar.
      c the distinctive badge of certain temperance or total
          abstinence organizations, as of the --blue ribbon
          army.

   blue ruin, utter ruin; also, gin. eng. slang --carlyle.

   blue spar min., azure spar; lazulite. see lazulite.

   blue thrush zool., a european and asiatic thrush
      petrocossyphus cyaneas.

   blue verditer. see verditer.

   blue vitriol chem., sulphate of copper, a violet blue
      crystallized salt, used in electric batteries, calico
      printing, etc.

   blue water, the open ocean.

   big blue, the international business machines corporation.
      wall street slang. pjc

   to look blue, to look disheartened or dejected.

   true blue, genuine and thorough; not modified, nor mixed;
      not spurious; specifically, of uncompromising
      presbyterianism, blue being the color adopted by the
      covenanters.
      1913 webster

            for his religion . . .
            't was presbyterian, true blue.       --hudibras.
      1913 webster
see also:
bluer bluest bluestocking blue asbestus crocidolite blue black 
blue blood blood blue buck cephalophus pygmaeus aegoceras leucophaeus 
blue cod blue crab callinectes hastatus blue curls trichostema dichotomum 
bastard pennyroyal blue devils delirium tremens blue gage gage 
blue gum eucalyptus globulus eucalyptus blue jack blue stone 
blue jacket blue jaundice jaundice blue laws blue light 
blue mantle blue mass blue mold blue mould aspergillus glaucus 
blue monday blue ointment blue peter blue pill blue ribbon 
blue ruin blue spar lazulite blue thrush petrocossyphus cyaneas 
blue verditer verditer blue vitriol blue water big blue 
to look blue true blue 

[3] : WordNet (r) 2.0

bastard pennyroyal
     n : aromatic plant of the eastern united states syn: trichostema
         dichotomum
see also:
trichostema dichotomum 

Bastard >> B Words
Bastard, definition of term: Bastard
bastard_pag1.html

Pennyroyal >> P Words
Pennyroyal, definition of term: Pennyroyal
pennyroyal_pag1.html

Bastard File >> B Words
Bastard File, definition of term: Bastard File
bastard+file_pag1.html