Unilateral
Pronunciation : U`ni*lat"er*al
Part of Speech : a.
Etymology : [Uni- + lateral: cf. F. unilat?ral.]
Definition : 1. Being on one side only; affecting but one side; one-sided.
2. (Biol.)
Defn: Pertaining to one side; one-sided; as, a unilateral raceme, in which the flowers grow only on one side of a common axis, or are all turned to one side. Unilateral contract (Law), a contract or engagement requiring future action only by one party.
Source : Webster's Unabridged Dictionary, 1913