longwise

/ˈlɔːŋwaɪz/
adverb
  1. In the direction of the longest side; lengthwise.
    • Fold the paper longwise before putting it into the envelope.
    • She cut the cucumber longwise to make long strips for the salad.
    • The carpenter placed the board longwise across the sawhorses.
Antonyms
What does "longwise" mean? | whatsthatwordmean | whatsthatwordmean