1 Pieces of timber bolted to the mast of a sailing ship below the masthead to support the trestle-trees. For illus. see rigging: standing rigging.
2 The two sidepieces of the wooden gun carriages in sailing warships.
3 The two sides of a block.
4 The rounded portions of the bows of the old wooden men-of-war when they were extended by the erection of the forecastle above the beakhead, a feature of warship design introduced in the 15th century.