'Bilateral' definitions:

Definition of 'bilateral'

From: WordNet
adjective
Having identical parts on each side of an axis [syn: bilateral, isobilateral, bilaterally symmetrical, bilaterally symmetric]
adjective
Affecting or undertaken by two parties; "a bilateral agreement between the United States and Japan"
adjective
Having two sides or parts [syn: bilateral, two-sided]

Definition of 'Bilateral'

From: GCIDE
  • Bilateral \Bi*lat"er*al\, a. [Pref. bi- + lateral: cf. F. bilat['e]ral.]
  • 1. Having two sides; arranged upon two sides; affecting two sides or two parties. [1913 Webster]
  • 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. [1913 Webster]