Bilateral

a.	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.

Adj.	1.	bilateral - having identical parts on each side of an axis Synonyms: bilaterally symmetric, isobilateral, bilaterally symmetrical
	2.	bilateral - having two sides or parts Synonyms: two-sided Antonyms: many-sided, multilateral - having many parts or sides unilateral, one-sided - involving only one part or side; "unilateral paralysis"; "a unilateral decision"
	3.	bilateral - affecting or undertaken by two parties; "a bilateral agreement between the United States and Japan"

Janus-like, ambidextrous, bifacial, bifold, biform, bifurcated, binary, binate, biparous, bipartisan, bipartite, bivalent, conduplicate, dichotomous, dihedral, disomatous, double, double-faced, duadic, dual, dualistic, duple, duplex, duplicate, duplicated, dyadic, flanked, geminate, geminated, handed, identical, lateral, many-sided, matched, multilateral, one-sided, polyhedral, quadrilateral, second, secondary, sided, tetrahedral, three-sided, trihedral, trilateral, triquetrous, twain, twin, twinned, two, two-faced, two-level, two-ply, two-sided, two-story, twofold, unilateral