Lewis Short
(adjective) : angŭlāris, e, angulus
* Having corners or angles, angular: lapis,a square stone,Cato, R. R. 14, 1; Col. 5, 3, 2: lapis,a corner-stone,Vulg. Job, 38, 6; and, in trop. sense,ib. Isa. 28, 16; ib. Ephes. 2, 20; ib. 1 Pet. 2, 6: pilae,corner pillars of an arcade,Vitr. 7, 11.—Hence, subst.: angŭlā-ris, is, m., an angular vessel, Apic. 5, 3 al.
Charlton T. Lewis, Charles Short, A Latin Dictionary