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Entry 4 senses · 2 variants Webster, 1913

Capillary

/(kăp"ĭl*lā̇*ry̆ [or] kȧ*pĭl"lȧ*ry̆; 277)/ · Cap·il·la·ry · IPA /kəˈpɪl.ə.ɹi/
01 a. Resembling a hair; fine; minute; very slender; having minute tubes or interspaces; having very small bore; as, the capillary vessels of ani…
  1. 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.
  2. 2.
    Pertaining to capillary tubes or vessels; as, capillary action.
Phrases & compounds
Capillary attraction — the apparent attraction or repulsion between a solid and liquid caused by capillarity. See Capillarity, and Attraction.
Capillarity tubes — See the Note under Capillarity.
02 n. A tube or vessel, extremely fine or minute.
pl. Capillaries
  1. 1.
    A tube or vessel, extremely fine or minute.
  2. 2.
    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.(Anat.)