'Bifocal' definitions:
Definition of 'bifocal'
(from WordNet)
adjective
Having two foci; "bifocal eyeglasses"
Definition of 'Bifocal'
From: GCIDE
- Bifocal \Bi"fo`cal\, a. [Pref. bi-+ focal.] Having two foci, as some spectacle lenses. [Webster 1913 Suppl.]
Definition of 'Bifocal'
From: GCIDE
- Bifocal \Bi"fo`cal\, n. [Pref. bi-+ focal.] a bifocal lens. [PJC]