Biliary \Bil"ia*ry\ (b[i^]l"y[.a]*r[y^]; 106), a. [L. bilis bile: cf. F. biliaire.]

(Physiol.) Relating or belonging to bile; conveying bile; as, biliary acids; biliary ducts.

Biliary calculus (Med.), a gallstone, or a concretion formed in the gall bladder or its duct.

Source: Webster's Revised Unabridged Dictionary (1913)