pertaining to, involving, or affecting two or both sides, factions, parties, or the like:
a bilateral agreement; bilateral sponsorship.
located on opposite sides of an axis; two-sided, especially when of equal size, value, etc.
Biology. pertaining to the right and left sides of a structure, plane, etc.
Chiefly Law. (of a contract) binding the parties to reciprocal obligations.
through both parents equally:
Compare unilateral (def 7).
Informal. a bilateral agreement, especially regarding international trade.
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having or involving two sides
affecting or undertaken by two parties; mutual: a bilateral treaty
denoting or relating to bilateral symmetry
having identical sides or parts on each side of an axis; symmetrical
(sociol) relating to descent through both maternal and paternal lineage Compare unilateral (sense 5)
(Brit) relating to an education that combines academic and technical courses
a bilateral meeting
a structure composed of two molecular layers, especially of phospholipids in cellular membranes.
bolection. noun another word for bolection
having two levels of space, as a railroad passenger car with two tiers of seats. (especially of a house) split-level. a bi-level house, vehicle, etc.: The family moved from a bungalow into a bi-level.
of, relating to, or having reference to two lines: bilinear coordinates. of the first degree in each of two variables, as an equation. adjective of or referring to two lines of or relating to a function of two variables that is linear in each independently, as f(x, y) = xy adj.