noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The flowering plant Thlaspi arvense. uncountable
2. 2
   foetid Eurasian weed having round flat pods; naturalized throughout North America wordnet

Synonyms

All synonyms

field pennycressfield pennycressfrench weedmithridate mustardpenny grassstinkweed

Etymology

From fan + weed.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.