opera cloak

A kind of cloak worn by ladies at the opera, theater, or evening reunions. opera-dancer, s. One who dances in an opera: a ballet-dancer. opera-girl, s. 1. Ord. Lang.: A ballet-girl, 2. Bot . ( pl .): Mantis i a salt at or i a . [MANTIS I A.] sin, aş; expect, Xenophon, exist. ph = f. opera-gla , s . A binocular telescope of the kind invented by Galileo. It has a plano-concave or double-concave eye-gla , so that the image is not inverted and little light is lost, thus securing great distinctne . [FIELD-GLASS.]