Barge. A large double-banked boat, used by the commander of a vessel, in the navy.

Bark, or Barque. (See Plate 4.) A three-masted vessel, having her fore and main masts rigged like a ship's, and her mizzen mast like the main mast of a schooner, with no sail upon it but a spanker, and gaff topsail.

Barnacle. A shell-fish often found on a vessel's bottom.

Battens. Thin strips of wood put around the hatches, to keep the tarpaulin down. Also, put upon rigging to keep it from chafing. A large batten widened at the end, and put upon rigging, is called a scotchman.

Beacon. A post or buoy placed over a shoal or bank to warn vessels off. Also as a signal-mark on land.

Beams. Strong pieces of timber stretching across the vessel, to support the decks.

On the weather or lee beam, is in a direction to windward or leeward, at right angles with the keel.

On beam-ends. The situation of a vessel when turned over so that her beams are inclined toward the vertical.

Bear. An object bears so and so, when it is in such a direction from the person looking.

To bear down upon a vessel, is to approach her from the windward.