Anchor-watch. (See Watch.)

An-end. When a mast is perpendicular to the deck.

A-peek. When the cable is hove taut so as to bring the vessel nearly over her anchor. The yards are a-peek when they are topped up by contrary lifts.

Apron. A piece of timber fixed behind the lower part of the stem, just above the fore end of the keel. A covering to the vent or lock of a cannon.

Arm. Yard-arm. The extremity of a yard. Also, the lower part of an anchor, crossing the shank and terminating in the flukes.

Arming. A piece of tallow put in the cavity and over the bottom of a lead-line.

A-stern. In the direction of the stern. The opposite of ahead.

A-taunt. (See Taunt.)

Athwart. Across.

Athwart-ships. Across the line of the vessel's keel.