trappean rocks

pl. Petrol.: A name sometimes used to distinguish the older, and mostly much altered, igneous rocks from those of later date. trăp-pěr (1), 6. [Eng. trap (1), v.; -er.] I. Ordinary Language : 1. One who traps animals; one who sets traps for animals, usually to obtain furs. "According to somewhat unreliable reports handed down from the early Hudson Bay trappers who lived in this now populous region."- Field , Feb. 17, 1887. 2. A horse used in a trap. [TRAP (1), 7.] "The object of the Spring Show is to encourage generally the breeding of sound and shapely half-bred horses, ponies, nags, trappers , hacks, chargers, harne -horses, and hunters."- St . James's Gazette , Feb. 2, 1887. II. Mining : A boy in a coal-mine who opens the air-doors of the galleries for the pa age of the coal wagons. IMG:content-1363.png:[blocks in formation] trăp'-pi-ne , subst. [Eng. trappy; -ne .] The quality or state of being trappy or treacherous. "Once over this there were broad pastures and large banks and ditches, innocent of trappine for the most part, before the riders."- Field , Dec. 26, 1885.