warp.

Two barbed harpoons, always known as 'irons,' were carried on the same line, always called the 'warp.'

All Afloat A Chronicle of Craft and Waterways William Charles Henry Wood 1905

'No! I'd be thankful if I was free to do that; it's for to keep th' widow and childer of a man who was drove mad by them knobsticks o 'yourn; put out of his place by a Paddy that did na know weft fro' warp. '

North and South Elizabeth Cleghorn Gaskell 1837

And suddenly from the science station, Lieutenant Tom Chafin—a muscular, handsome Terran with thick brown hair—reported, Commander Anik, a ship appears to be dropping out of warp. . .

The Captain's Daughter Peter David 2000