n. (Bot.) A papilionaceous plant, the Ornithopus, having a curved, cylindrical pod tipped with a short, clawlike point. [ 1913 Webster ]
Bird's-foot trefoil. (Bot.) (a)A genus of plants (Lotus) with clawlike pods. Lotus corniculatas, with yellow flowers, is very common in Great Britain.(b)the related plant, Trigonella ornithopodioides, is also European. [ 1913 Webster ]