UNDER LEVEL. See [Bevelling].
UNDER-MANNED. When a ship has an insufficient complement, or is short-handed.
UNDER-MASTED. When the masts are either too small or too short, so that a ship cannot spread the sail necessary to give her proper speed.
UNDER METAL. The condition of a gun when the muzzle is depressed, and the metal, i.e. the breech, raised; the proper position when not in use, to prevent moisture collecting in the chamber.
UNDER-RUN A HAWSER OR WARP, To. To haul a boat along underneath it, in order to clear it, if any part happens to be foul. To under-run a tackle, is to separate the several parts of which it is composed, and range them in order, so that the general effort may not be interrupted when it is put in motion by the parts crossing, or by thorough-foots.
UNDER SAIL. The state of a ship when she is in motion from the action of wind on her sails.
UNDER-SET. Wherever the wind impels the surface-water directly upon the shore of a bay, the water below restores equilibrium by taking a direction contrary to the wind. The resaca, or under-set, is particularly dangerous on those beaches where heavy surf prevails.
UNDER-SHORE, To. To support or raise a thing by putting a spar or prop under it, as a ship is shored up in dock.
UNDER-SKINKER. Assistant to the purser's steward.
UNDER THE LEE. Sheltered from the wind by some intervening object, as a ship under the lee of the land.