Webster
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Webster’s Revised Unabridged Dictionary · 1913

Decussate

De·cus′sate (dē·kŭs′sāt), 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, 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.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty. Of the others, 1,362 (a word or a single letter each) were inferred by AI from the context by the dictionary’s own rules and are marked with a wavy underline (tap or point at one to see the note); the rest, which could not be inferred with confidence, are left as “?”.