Source : WordNet®

gill-over-the-ground
     n : 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 [syn: {ground ivy}, {alehoof}, {field
         balm}, {runaway robin}, {Glechoma hederaceae}, {Nepeta
         hederaceae}]