ROCK n.
steam or compressed air, for drilling holes for blasting, etc. -- Rock duck (Zoöl.), the harlequin duck. -- Rock eel. (Zoöl.) See Gunnel. -- Rock goat (Zoöl.), a wild goat, or ibex. -- Rock hopper (Zoöl.), a penguin of the genus Catarractes. See under Penguin. -- Rock kangaroo. (Zoöl.) See Kangaroo, and Petrogale.…
TOOTH n.
possible means. L'Estrange. "I shall fight tooth and nail for international copyright." Charles Reade. -- Tooth coralline (Zoöl.), any sertularian hydroid. -- Tooth edge, the sensation excited in the teeth by grating sounds, and by the touch of certain substances, as keen acids. -- Tooth key, an instrument used to…
URSA n.
llations. It is situated near the pole, and contains the stars which form the Dipper, or Charles's Wain, two of which are the Pointers, or stars which point towards the North Star. -- Ursa Minor Etym: [L.], the Little Bear, the constellation nearest the north pole. It contains the north star, or polestar, which is sit…