a. [ Cf. Midmost. ] Being in the middle, or nearest the middle; midmost. [ 1913 Webster ]

n. [ Gr. &unr_; war + -scope: cf. F. polémoscope. ] An opera glass or field glass with an oblique mirror arranged for seeing objects that do not lie directly before the eye; -- called also diagonal opera glass, or side opera glass. [ 1913 Webster ]