Jumelle \Ju`melle"\, a. [F., fem. of jumeau, fr. L. gemellus.
Cf. {Gemel}, a.]
Twin; paired; -- said of various objects made or formed in
pairs, as a binocular opera glass, a pair of gimmal rings,
etc.
Jumelle \Ju`melle"\, n.
A jumelle opera glass, or the like.