crosswise

• cross-wise

From Middle English croswyse, crose wyse, equivalent to cross +‎ -wise.

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crosswise (not comparable)

1. crossing; lying across

• crosswisely

crosswise (not comparable)

1. transversely; so as to lie across
   • 2014, Lori Benton, The Pursuit of Tamsen Littlejohn, WaterBrook Press, →ISBN, page 4:

     Jesse gave a whoop, then was out of the saddle and ducking behind a clump of rhododendron, putting his horse crosswise between himself and the beeves.