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

capillary \cap"illary\, n.; pl. capillaries.
   1. a tube or vessel, extremely fine or minute.
      1913 webster

   2. anat. a minute, thin-walled vessel; particularly one of
      the smallest blood vessels connecting arteries and veins,
      but used also for the smallest lymphatic and biliary
      vessels.
      1913 webster
see also:
capillaries 

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

capillary \cap"illary\ ka^p"i^llaslry^ or
   k.api^l"l.ary^; 277, a. l. capillaris, fr.
   capillus hair. cf. capillaire.
   1. resembling a hair; fine; minute; very slender; having
      minute tubes or interspaces; having very small bore; as,
      the capillary vessels of animals and plants.
      1913 webster

   2. pertaining to capillary tubes or vessels; as, capillary
      action.
      1913 webster

   capillary attraction, capillary repulsion, the apparent
      attraction or repulsion between a solid and liquid caused
      by capillarity. see capillarity, and attraction.

   capillarity tubes. see the note under capillarity.
      1913 webster
see also:
capillaire capillary attraction capillary repulsion capillarity attraction capillarity tubes 
note 

[3] : WordNet (r) 2.0

capillary
     adj 1: of or relating to hair
     2: long and slender with a very small internal diameter; "a
        capillary tube" syn: hairlike
     n 1: a tube of small internal diameter; holds liquid by capillary
          action syn: capillary tube, capillary tubing
     2: any of the minute blood vessels connecting arterioles with
        venules syn: capillary vessel
see also:
hairlike capillary tube capillary tubing capillary vessel 

[4] : Moby Thesaurus II by Grady Ward, 1.0

41 moby thesaurus words for "capillary":
   aorta, arterial, arteriole, artery, blood vessel, bristlelike,
   carotid, cirrose, cirrous, fibered, fibroid, fibrous, flagelliform,
   flossy, funicular, gossamery, hairlike, hairy, jugular vein,
   ligamental, portal vein, pulmonary artery, pulmonary vein, ropy,
   silky, stringy, taeniate, taeniform, threadlike, thready, vascular,
   vein, veinlet, veinous, vena cava, venation, venose, venous,
   venule, vesicular, wiry

Capillary >> C Words
Capillary, definition of term: Capillary
capillary_pag1.html

Capillary Tube >> C Words
Capillary Tube, definition of term: Capillary Tube
capillary+tube_pag1.html

Capillary Actio >> C Words
Capillary Actio, definition of term: Capillary Actio
capillary+actio_pag1.html

Capillary Attra >> C Words
Capillary Attra, definition of term: Capillary Attra
capillary+attra_pag1.html