Decussate v. t. (past & past part. decussated; pres. part. decussating) 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.
adjective
Decussated, Decussate adj.
1.
Crossed; intersected.
2.
(Bot.) Growing in pairs, each of which is at right angles to the next pair above or below; as, decussated leaves or branches.
3.
(Rhet.) Consisting of two rising and two falling clauses, placed in alternate opposition to each other; as, a decussated period.
... not Just decussate one another at right Angles; there was some 6 or 7 degrees difference. The fainter, seem'd to be a Portion of a great Circle; and the stronger was but a Portion of a small Circle, ... — Philosophical Transactions of the Royal Society - Vol 1 - 1666 • Various
...
