\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.