Meteoroscope \Me`te*or"o*scope\ (?; 277), n. [Gr. ?, fr. ? observing the heavenly bodies; ? + ? to view: cf. F. m['e]t['e]oroscope. See {Meteor}.] (Astron.) (a) An astrolabe; a planisphere. [Obs.] (b) An instrument for measuring the position, length, and direction, of the apparent path of a shooting star.