D defs.my
Entry 2 senses Webster, 1913

Bilateral

/bīl-ăt'-ẽr-əl/ · Bi·lat·er·al · IPA /baɪˈlætəɹəl/
01 a. Having two sides; arranged upon two sides; affecting two sides or two parties.
  1. 1.
    Having two sides; arranged upon two sides; affecting two sides or two parties.
  2. 2.
    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.(Biol.)