square sail

The end of the whale line was then hooked to the clewline of the fore-square-sail, which had been detached for the purpose.

She's a brigantine, and there are sprits'ls on both masts, and only one square sail on the foremast.

Both these kinds of vessels were provided with a mast, a square sail, and coils of cordage known by the name of cordelles.

If it goes round a point more we will get the square-sail ready for hoisting.

The cutter followed her example, and hoisted a large square sail.