transitive. To gaze at (a person) amorously or flirtatiously through the side window of a carriage. Also with it or intransitive. Cf. side glass, n.…

transitive. To scrutinize through spectacles.

transitive and intransitive. To look (at) through eyeglasses or an eyeglass.

To look at, examine, or observe closely or carefully; to see or behold; in modern use spec., to investigate with a spyglass or telescope.

To view or look for (something) with the aid of field-glasses.