In a manner that is cross-shaped or involves crossing; in the manner of a cross or X pattern.
Adverb form created by adding '-ly' to the adjective 'cruciate,' following standard English rules for forming adverbs from adjectives.
This is a rare word in everyday speech, but it appears in technical medical writing when scientists need to describe exactly how something moves or intersects—it's the precision language of specialists describing very specific spatial relationships.
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