trapcut

A mode of cutting gems, in which the facets consist of parallel planes, nearly rectangular, arranged round the center of the stone. trap-door, s. A door in a floor or roof, which when shut is flush or nearly so. "In some houses there were trap - doors through which, in case of danger, he might descend."-Macaulay: Hist. Eng ., ch. v. Trap -door spider: Zobl .: A popular name for any species of Mygalide (=Territelariæ, Latr.) which constructs a tubular nest in the earth closed by a more or le perfect door or doors. Moggridge ( Harvesting Ants & Trap - door Spiders , p. 143) enumerates nearly forty species from Europe and the borders of the Mediterranean, of which only one, Atypus sulzerii , is British. He divides the nests into six separate types, according to the kind of door present, the straight ne or divarication of the tube, and the presence or absence of a second door in the tube below the surface of the earth. Atypus sulzerii , nearly half an inch in length, excavates a more or le cylindrical gallery, about half an inch wide, in moist ground, at first in a hori IMG:content-1358.png:[blocks in formation] 261 chin, bench; go, gem; thin, this; its fertility. IMG:content-1359.jpg:[blocks in formation] Petrol.: A dark variety of granulite (q. v.), occur ring interlaminated with the normal granulites. It sometimes contains augite and hornblende. trap-tuff, trap-tufa, s. Geol.: Volcanic-ash, volcanic-tuff (q. v.). *trăp (3), s . [TRAPS.] *trăp (4), s . [O. Fr. trap (Fr. drap )=cloth; Sp. & Port. trapo =a cloth, clout, rag; Low Lat. trap us =a cloth.] Trappings; ornaments of a horse. trăp (1), *trappe (1), v. t. & i. [TRAP (1), 8.] A. Transitive: 1. Lit .: To catch in or with a trap; to snare. "The beaver was trapped for its fur in the twelfth century in the river Teivi."- Dawkins : Early Man in Britain, ch. xiv. 2. Fig .: To take or catch by stratagem; to in snare. "The number of the witne es being so great, and the Jews having every day opportunity of conversing with them, they might have easily trapped them in their relations."- Scott : Christ an Life , pt. ii., ch. vii. B. In trans.: To take game or other animals in traps.