The Collaborative International Dictionary
Lotus corniculatas
Bird's-foot \Bird's"-foot`\, n. (Bot.) A papilionaceous plant, the Ornithopus, having a curved, cylindrical pod tipped with a short, clawlike point. Bird's-foot trefoil. (Bot.)
A genus of plants ( Lotus) with clawlike pods. Lotus corniculatas, with yellow flowers, is very common in Great Britain.
the related plant, Trigonella ornithopodioides, is also European.