bilateral Meaning, Definition & Usage

  1. adjective satellite having identical parts on each side of an axis
    bilaterally symmetric; bilaterally symmetrical; isobilateral.
  2. adjective satellite affecting or undertaken by two parties
    • a bilateral agreement between the United States and Japan
  3. adjective satellite having two sides or parts
    two-sided.

WordNet

Bi*lat"er*al adjective
Etymology
Pref. bi- + lateral: cf. F. bilatéral.
Definitions
  1. Having two sides; arranged upon two sides; affecting two sides or two parties.
  2. (Biol.) 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.

Webster 1913