bicorn UK /ˈbaɪkɔːn/US /ˈbaɪkɔɹn/noun 3adjective 1forms 1 noun3 •(historical) A two-cornered hat, worn by European and American military and naval officers from the 1790s. •(rare) A beast having two horns, either real or fictional.Oooh, look, powdered horn of a Bicorn – don’t know where we’re going to get that … — 1998 •A plane curve having two cusps. adjective1 •Having two horns or similar projections. formsbicorns
