n. [ Gr. &unr_; like + &unr_; measure. ] A modification of the quadrant, for measuring small angles. [ Obs. ] [ 1913 Webster ]
n. [ LL. altimeter; altus high + metrum, Gr. &unr_;, measure: cf. F. altimètre. ] An instrument for taking altitudes, as a quadrant, sextant, etc. Knight. [ 1913 Webster ]