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

wolf \wolf\, n.; pl. wolves. oe. wolf, wulf, as. wulf; akin
   to os. wulf, d.  g. wolf, icel. =ulfr, sw. ulf, dan. ulv,
   goth. wulfs, lith. vilkas, russ. volk', l. lupus, gr. ly`kos,
   skr. v.rka; also to gr. "e`lkein to draw, drag, tear in
   pieces. root286. cf. lupine, a., lyceum.
   1913 webster
   1. zool. any one of several species of wild and savage
      carnivores belonging to the genus canis and closely
      allied to the common dog. the best-known and most
      destructive species are the european wolf canis lupus,
      the american gray, or timber, wolf canis occidentalis,
      and the prairie wolf, or coyote. wolves often hunt in
      packs, and may thus attack large animals and even man.
      1913 webster

   2. zool. one of the destructive, and usually hairy, larvae
      of several species of beetles and grain moths; as, the bee
      wolf.
      1913 webster

   3. fig.: any very ravenous, rapacious, or destructive person
      or thing; especially, want; starvation; as, they toiled
      hard to keep the wolf from the door.
      1913 webster

   4. a white worm, or maggot, which infests granaries.
      1913 webster

   5. an eating ulcer or sore. cf. lupus. obs.
      1913 webster

            if god should send a cancer upon thy face, or a wolf
            into thy side.                        --jer. taylor.
      1913 webster

   6. mus.
      a the harsh, howling sound of some of the chords on an
          organ or piano tuned by unequal temperament.
      b in bowed instruments, a harshness due to defective
          vibration in certain notes of the scale.
          1913 webster

   7. textile manuf. a willying machine. --knight.
      1913 webster

   black wolf. zool.
      a a black variety of the european wolf which is common
          in the pyrenees.
      b a black variety of the american gray wolf.

   golden wolf zool., the thibetan wolf canis laniger;
      -- called also chanco.

   indian wolf zool., an asiatic wolf canis pallipes
      which somewhat resembles a jackal. called also landgak.
      

   prairie wolf zool., the coyote.

   sea wolf. zool. see in the vocabulary.

   strand wolf zool. the striped hyena.

   tasmanian wolf zool., the zebra wolf.

   tiger wolf zool., the spotted hyena.

   to keep the wolf from the door, to keep away poverty; to
      prevent starvation. see wolf, 3, above. --tennyson.

   wolf dog. zool.
      a the mastiff, or shepherd dog, of the pyrenees,
          supposed by some authors to be one of the ancestors of
          the st. bernard dog.
      b the irish greyhound, supposed to have been used
          formerly by the danes for chasing wolves.
      c a dog bred between a dog and a wolf, as the eskimo
          dog.

   wolf eel zool., a wolf fish.

   wolf fish zool., any one of several species of large,
      voracious marine fishes of the genus anarrhichas,
      especially the common species anarrhichas lupus of
      europe and north america. these fishes have large teeth
      and powerful jaws. called also catfish, sea cat, sea
      wolf, stone biter, and swinefish.

   wolf net, a kind of net used in fishing, which takes great
      numbers of fish.

   wolf's peach bot., the tomato, or love apple
      lycopersicum esculentum.

   wolf spider zool., any one of numerous species of running
      ground spiders belonging to the genus lycosa, or family
      lycosidae. these spiders run about rapidly in search of
      their prey. most of them are plain brown or blackish in
      color. see illust. in app.

   zebra wolf zool., a savage carnivorous marsupial
      thylacinus cynocephalus native of tasmania; -- called
      also tasmanian wolf.
      1913 webster
see also:
wolves lupine lyceum canis canis lupus canis occidentalis 
lupus black wolf golden wolf canis laniger chanco 
indian wolf canis pallipes landgak prairie wolf sea wolf 
strand wolf tasmanian wolf tiger wolf to keep the wolf from the door wolf 
wolf dog wolf eel wolf fish anarrhichas anarrhichas lupus 
catfish sea cat sea wolf stone biter swinefish 
wolf net wolf's peach lycopersicum esculentum wolf spider lycosa 
lycosidae zebra wolf thylacinus cynocephalus 

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

bullhead \bull"head`\, n.
   1. zool.
      a a fresh-water fish of many species, of the genus
          uranidea, esp. uranidea gobio of europe, and
          uranidea richardsoni of the united states; -- called
          also miller's thumb.
      b in america, several species of amiurus; -- called
          also catfish, horned pout, and bullpout.
      c a marine fish of the genus cottus; the sculpin.
          1913 webster

   2. zool.
      a the black-bellied plover squatarola helvetica; --
          called also beetlehead.
      b the golden plover.
          1913 webster

   3. a stupid fellow; a lubber. colloq. --jonson.
      1913 webster

   4. zool. a small black water insect. --e. phillips.
      1913 webster

   bullhead whiting zool., the kingfish of florida
      menticirrus alburnus.
      1913 webster
see also:
uranidea uranidea gobio uranidea richardsoni miller's thumb amiurus catfish 
horned pout bullpout cottus squatarola helvetica beetlehead 
bullhead whiting menticirrus alburnus 

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

catfish \cat"fish`\, n. zool.
   a name given in the united states to various species of
   siluroid fishes; as, the yellow cat amiurus natalis; the
   bind cat gronias nigrilabrus; the mud cat pilodictic
   oilwaris, the stone cat noturus flavus; the sea cat
   arius felis, etc. this name is also sometimes applied to
   the wolf fish. see bullhrad.
   1913 webster
see also:
gronias nigrilabrus pilodictic oilwaris noturus flavus arius felis wolf fish bullhrad 

[4] : WordNet (r) 2.0

catfish
     n 1: flesh of scaleless food fish of the southern united states;
          often farmed syn: mudcat
     2: large ferocious northern deep-sea food fishes with strong
        teeth and no pelvic fins syn: wolffish, wolf fish
     3: any of numerous mostly freshwater bottom-living fishes of
        eurasia and north america with barbels like whiskers
        around the mouth syn: siluriform fish
     also: catfishes pl
see also:
mudcat wolffish wolf fish siluriform fish catfishes 

Catfish >> C Words
Catfish, definition of term: Catfish
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