pennycress

/ˈpɛniˌkrɛs/

Definitions of pennycress

1. noun

   any of several plants of the genus Thlaspi
   types:

   French weed, Thlaspi arvense, fanweed, field pennycress, mithridate mustard, penny grass, stinkweed

   foetid Eurasian weed having round flat pods; naturalized throughout North America

   type of:

   weed

   any plant that crowds out cultivated plants