Entry 2 senses Webster, 1913 Imago · I·ma·go · IPA /ɪˈmeɪɡoʊ/ 01 n. An image. pl. Imagoes ((#)) 1. An image. 2. The final adult, and usually winged, state of an insect. See Illust. of Ant-lion, and Army worm.(Zool.) See: Ant-lion, Army worm