Falconet \Fal"co*net\, n. [Dim. of falcon: cf. F. fauconneau, LL. falconeta, properly, a young falcon.] 1. One of the smaller cannon used in the 15th century and later. 2. (Zo["o]l.) (a) One of several very small Asiatic falcons of the genus {Microhierax}. (b) One of a group of Australian birds of the genus {Falcunculus}, resembling shrikes and titmice.