Extending or lying across; in a crosswise direction; at right angles to the long axis.
1
Above and around the torches flared, and their reek blew thwartwise across the strange scene.
2
She passed, with her two gentlemen, but the French sentinel barred the way, holding his fauchard thwartwise.
3
There was a trough running thwartwise of the ship into which the water had to be lifted from the midship well.