Tussock

tus′ok, n. a tuft of gra or twigs.— ns. Tu ′ock-gra , a large gra of the same genus with the Cock's-foot Gra of Britain, native to the Falkland Islands, remarkable for forming great tufts—also Tu ′ac-gra ; Tu ′ock-moth , a grayish-white moth about an inch long, the caterpillars of which do great mischief in hop-grounds, and are known as Hop-dogs .— adj. Tu ′ocky , abounding in tufts. [Perh. conn. with obs. tusk , a tuft; cf. Dan. dusk .]