a slough; a run or wet place. see 2d slough, 2.-to turn about a fixed point, usually the center or axis, as a spar or piece of timber; to turn; -- used also of any heavy body.-in general, to turn about; to twist; -- often used reflexively and followed by round.-to turn about; to turn from the course; to slip or slide and turn from an expected or desired course; -- often followed by round.-see sloough, 2.