Entry 1 sense Webster, 1913 Aëtheogamous /ā.ē'thēŏʹgəməs/ · A·ë·the·og·a·mous · IPA /eɪˌiːθiːˈɒɡəməs/ 01 a. Propagated in an unusual way; cryptogamous. 1. Propagated in an unusual way; cryptogamous.(Bot.)