square knot

(US) = reef knot (reef1).

spyglass, Sq, Sqn Ldr, squab, squabble, squad, squad car, squaddie (also squaddy), squadron, squadron leader, squalid, squalidly, squall, squally, squalor, squander, squanderer, square, square brackets, square dance, square leg, square measure, square root, square-bashing, square-shouldered, square-toed, squarely, squareness, squarish, squash, squashy, squat, squatter, squaw, squawk, squeak, squeaker, squeakily, squeakiness, squeaky,