Main Entry:

¹cap·il·lary

Pronunciation:

\ˈka-pə-ˌler-ē, -ˌle-rē, British usually kə-ˈpi-lə-rē\

Function:

adjective

Etymology:

French or Latin; French capillaire, from Latin capillaris, from capillus hair

Date:

14th century

1 a: resembling a hair especially in slender elongated form <capillary leaves> b: having a very small bore <a capillary tube>2: involving, held by, or resulting from surface tension <capillary water in the soil>3: of or relating to capillaries or capillarity