adj 1 a  :  resembling a hair esp. in slender elongated form  b  :  having a very small bore <a tube>   2  :  involving, held by, or resulting from surface tension  3  :  of or relating to capillaries or capillarity
n, pl  -lar*ies  :  a capillary tube : esp  :  any of the smallest blood vessels connecting arterioles with venules and forming networks throughout the body .
 
 Brit usu   
 
Similar sounding terms:  cap·il·lar·ia 
 
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