perched block

[Fr. bloc pèrché.] Geol. (pl.): Large angular fragments of rock left by a melting glacier. They are generally found at some elevation around the conical peak of the mountain on which the glacier has been produced. They are not the same as typical erratic blocks, the latter having traveled far from the rock whence they were torn. përçh-er, s. [PERCH (2), s.] I. Ordinary Language : 1. One who or that which perches. "The lark, not being a percher , would alight upon the ground beneath it."-Burroughs: Pepacton , p. 184. *2. A large kind of wax candle, formerly set upon the altar; Paris candles used formerly in England. "The Maister of the Rolls dyd present her torches and perchers of wax a good nombre."- State Papers , i. 583. II. Ornith.: Any individual of the order Inses sores (q. v.). pērch-ing, pr. par. or a. [PERCH, v.] perching-bird, s. [PERCHER, II.] per-chlör-, pref. [Pref. per-, and Eng. chlorine.) (See compounds.)