verb (used with or without object), de·cus·sat·ed, de·cus·sat·ing.
Origin of decussate
Examples from the Web for decussate
The remaining fibres pass down as the direct pyramidal tract, and decussate in the cord near their termination.
These are sometimes marked with a decussate cross, as was done to facilitate fracture during administration.The Catacombs of Rome|William Henry Withrow
The whorls or pairs alternate or cross each other, usually at right angles, that is, they decussate.
Decussate, arranged in pairs which successively cross each other, 71.
Thus, leaves normally opposite and decussate may, by fusion, become alternate.Vegetable Teratology|Maxwell T. Masters
British Dictionary definitions for decussate
adjective (dɪˈkʌseɪt, dɪˈkʌsɪt)
Word Origin for decussate
Word Origin and History for decussate
1650s, from Latin decussatus, past participle of decussare "to divide crosswise, to cross in the form of an 'X,'" from decussis "the figure 'ten'" (in Roman numerals, represented by X) from decem "ten" (see ten). As an adjective, from 1825.