"transverse" in the adjective sense
1. cross, transverse, transversal, thwartwise
extending or lying across in a crosswise direction at right angles to the long axis
"cross members should be all steel"
"from the transverse hall the stairway ascends gracefully"
"transversal vibrations"
"transverse colon"
Source: WordNet® (An amazing lexical database of English)
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