noun
a genus of the mustard family having white or yellow or purplish flowers; closely related to genus Arabis
• Syn: ↑genus Arabidopsis
• Hypernyms: ↑dilleniid dicot genus
• Member Holonyms: ↑Cruciferae, ↑family Cruciferae, ↑Brassicaceae, ↑family Brassicaceae, ↑mustard family
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\\ˌarəbə̇ˈdäpsə̇s\ nounUsage: capitalized
: a small genus of annual or biennial herbs (family Brassicaceae) of north temperate regions with basal rosettes of petioled leaves, cauline leaves short-petioled or clasping, and flowers having white, purplish, or sometimes yellow petals — see mouse-ear cress
Useful english dictionary. 2012.