1. a genus of the mustard family having white or yellow or purplish flowers; closely related to genus Arabis; [syn: Arabidopsis, genus Arabidopsis]
WordNet (r) 3.0 (2006):
genus Arabidopsis
n 1: a genus of the mustard family having white or yellow or
purplish flowers; closely related to genus Arabis [syn:
Arabidopsis, genus Arabidopsis]