decussate

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Related to decussation: decussation of pyramids

decussate

[′dek·ə‚sāt]
(botany)
Of the arrangement of leaves, occurring in alternating pairs at right angles.
(science and technology)
To intersect in the form of an X.
References in periodicals archive ?
The pathways were drawn and the decussation was highlighted in different colours.
D'Cruz's decussation of these positions provides further philosophical charting of the identity-political terrain through a dialogue between the anti-foundational Scott and the post-positivist realist William Wilkerson.
motivating, organizing principle, the decussation, or X-shaped
The racecourse of that name is actually situated some three miles east, on the northern side of the Rolleston level-crossing, a decussation known to all who have visited the track.