a. [ Pref. bi- + rectangular. ] Containing or having two right angles; as, a birectangular spherical triangle. [ 1913 Webster ]
n. [ L. biremis; bis twice + remus oar: cf. F. birème. ] An ancient galley or vessel with two banks or tiers of oars. [ 1913 Webster ]
n. Same as Berretta. [ 1913 Webster ]