The Collaborative International Dictionary
Decussate \De*cus"sate\, v. t. [imp. & p. p. Decussated; p. pr. & vb. n. Decussating.] [L. decussatus, p. p. of decussare to cross like an X, fr. decussis (orig. equiv. to decem asses) the number ten, which the Romans represented by X.] 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.
Decussate \De*cus"sate\, Decussated \De*cus"sa*ted\, a.
Crossed; intersected.
(Bot.) Growing in pairs, each of which is at right angles to the next pair above or below; as, decussated leaves or branches.
(Rhet.) Consisting of two rising and two falling clauses, placed in alternate opposition to each other; as, a decussated period.
Wiktionary
vb. (en-past of: decussate)
Usage examples of "decussated".
Answerable whereunto we observe the decussated characters in many consulary Coynes, and even in those of Constantine and his Sons, which pretend their pattern in the Sky.