ETYM Old Eng. seil, AS. segel, segl; akin to Dutch zeil, Old High Germ. segal, German and Swed. segel, Icel. segl, Dan. seil.
A large piece of fabric (as canvas) by means of which wind is used to propel a sailing vessel; SYN. canvas, canvass, sheet.
1. To travel by ship on (a body of water).
2. To travel in a boat propelled by wind.