Decussate :: Decussate (v. t.) To cross at an acute angle; to cut or divide in the form of X; to intersect; -- said of lines in geometrical figures, rays of light, nerves, etc..
Decussated :: Decussated (a.) Growing in pairs, each of which is at right angles to the next pair above or below; as, decussated leaves or branches..
Decussated :: Decussated (a.) Consisting of two rising and two falling clauses, placed in alternate opposition to each other; as, a decussated period..