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Noun: penny grass  pe-nee grãs
  1. Foetid Eurasian weed having round flat pods; naturalized throughout North America
    - field pennycress, French weed, fanweed, stinkweed, mithridate mustard, Thlaspi arvense

Derived forms: penny grasses

Type of: pennycress

Part of: genus Thlaspi, Thlaspi

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Pennsylvania Dutch
Pennsylvanian
Pennsylvanian period
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