Snail clover

(Bot.) a cloverlike plant (Medicago scuttellata, also, M. Helix); - so named from its pods, which resemble the shells of snails; - called also snail trefoil, snail medic, and beehive.

See also: Snail

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.