noun
(obsolete) A capillary (blood vessel).
(by extension, obsolete) A branching structure or ramification.
(obsolete, medicine) A hairline fracture of the skull.
(Paleontology) A pattern of hair-like structures or fine, thread-like projections on the surface of an organism
Hair or pelt.
The movement of liquid by capillary action.
(by extension, figurative) A sympathetic tendency to move towards something
The problem of extra liquid adhering to the surface of a needle or pipette through capillary action, causing errors in delivering an accurate amount.