a. (Zool.) Of or pertaining to the gadflies. --
a. [ See oestrus. ] (Physiol.) Of or pertaining to sexual desire; -- mostly applied to brute animals;
n. (Physiol.) The state of being under oestrual influence, or of having sexual desire. [ 1913 Webster ]
‖n. [ L., a gadfly; also, frenzy, fr. Gr. &unr_; gadfly; hence, sting, fury, insane desire, frenzy. ]