a lantern carried at the stern of a ship to serve as a signal at night.

A ship's light.

= poop lantern n.

see quot. 1867.

Any conspicuous light or lamp; spec. a candelabrum. Now archaic and rare.

in the U.S. Navy, a mast-head signalling light.

†(a) a lamp attached to a stirrup (obsolete); (b) Nautical = riding light n. (now chiefly historical).

a lantern used on a ship; formerly one placed at each gun to light up the deck during a night engagement, a fighting-lantern.

A warning light. Nautical. A signal light used to show the presence of a ship, oil rig, etc.

Nautical. A navigation light displayed on either side of a ship under way at night (a red light on the upper port side and a green on the upper…

a light (typically white) displayed by a vessel when riding at anchor.

(a) Nautical and Aeronautics = navigation light n. at navigation, n. compounds 2; (b) each of a set of small lights located on the front, rear, or…

a light on a ship which indicates its course to other ships when travelling at night.

a light shown by a ship or aircraft at night to make it visible.

a white light carried on the masthead of a steamship under way at sea by night.

a light attached to the spreader of a yacht.

A beacon, a lighthouse.