Bilateral
Bilateral ({not transcribed}) , adjective
[Prefix bi- + lateral: compare French bilatéral.]
1.
Having two sides; arranged upon two sides; affecting two sides or two parties.
2.
(Biology) Of or pertaining to the two sides of a central area or organ, or of a central axis; as, bilateral symmetry in animals, where there is a similarity of parts on the right and left sides of the body.