falcon UK /ˈfɔː(l)kən/US /ˈfælkən/noun 4verb 1forms 3 noun4 •Any bird of the genus Falco, all of which are birds of prey. •Any bird of prey of the subfamilies Falconinae and Herpetotherinae. •A female such bird, a male being a tiercel. •(historical) A light cannon used from the 15th to the 17th century. verb1 •To hunt with a falcon or falcons.He rode astride while hawking; she falconed in the ladylike position of sidesaddle. — 2003 formsfalconed · falconing · falcons