(obsolete) crosswise; in the form of an X

In a decussate manner.

Intersecting at an acute angle.

(botany, dated) decussate

Crossed; intersected; resembling a letter X. / (zoology) Having anatomical structures or markings crossing each other, typically in an X shape or at right angles.

To form an X or to cross or intersect.

A crossing or intersection of lines etc. so as to form an X-shape.

Third-person singular simple present indicative form of decussate

simple past tense and past participle of decussate

present participle of decussate