noun
a small invasive self-pollinating weed with small white flowers; much studied by plant geneticists; the first higher plant whose complete genome sequence was described
• Syn: ↑Arabidopsis thaliana
• Hypernyms: ↑cress, ↑cress plant
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noun also mouse-ear : a Eurasian herb (Arabidopsis thaliana) naturalized as a weed in the United States
Useful english dictionary. 2012.