Scurvy grass [Scurvy + grass; or cf. Icel. skarfak[=a]l scurvy grass.]

(Bot.) A kind of cress (Cochlearia officinalis) growing along the seacoast of Northern Europe and in arctic regions. It is a remedy for the scurvy, and has proved a valuable food to arctic explorers. The name is given also to other allied species of plants.

Source: Webster's Revised Unabridged Dictionary (1913)