Definitions for: Decussate

[adj] crossed or intersected in the form of an X
[v] cross or intersect so as to form a cross; "this nerve decussates the other"; "the fibers decussate"

Webster (1913) Definition: 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.

De*cus"sate, Decussated De*cus"sa*ted, a.
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.

Synonyms: across, crossed, intersectant, intersecting

See Also: cross

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