Shingle. (See Ballast.)

Ship. A vessel with three masts, with tops and yards to each. (See Plate 4.) To enter on board a vessel. To fix anything in its place.

Shiver. To shake the wind out of a sail by bracing it so that the wind strikes upon the leech.

Shoe. A piece of wood used for the bill of an anchor to rest upon, to save the vessel's side. Also, for the heels of shears, &c.

Shoe-block. A block with two sheaves, one above the other, the one horizontal and the other perpendicular.

Shore. A prop or stanchion, placed under a beam. To shore, to prop up.

Shrouds. A set of ropes reaching from the mast-heads to the vessel's sides, to support the masts.

Sills. Pieces of timber put in horizontally between the frames to form and secure any opening; as, for ports.

Sister Block. A long piece of wood with two sheaves in it, one above the other, with a score between them for a seizing, and a groove around the block, lengthwise.

Skids. Pieces of timber placed up and down a vessel's side, to bear any articles off clear that are hoisted in.