field_balm has definitions from the field of botany
1
[ noun ] (botany) trailing European aromatic plant of the mint family having rounded leaves and small purplish flowers often grown in hanging baskets; naturalized in North America; sometimes placed in genus Nepeta

Related terms

vine Glechoma

2
[ noun ] (botany) low-growing strongly aromatic perennial herb of southern Europe to GB naturalized in United States

Related terms

calamint

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