Found 2 items, similar to Bifocals.
English → English (WordNet) Definition: bifocal bifocal adj : having two foci; “bifocal eyeglasses”
English → English (gcide) Definition: Bifocals Bifocals \Bi"fo`cals\, n. pl. [Pref. bi-+ focal.] eyeglasses whose lenses have two foci, allowing the wearer to see both far and nearby objects clearly. The lenses are partitioned horizontally, the upper and lower parts having different focal lengths. [PJC]