DOCK, forme, (imagined of δοχεῖον) a sort of broad and deep trench, formed on the side of a harbour, or on the banks of a river; and commodiously fitted either to build ships, or receive them to be repaired and breamed therein. These sorts of docks have generally strong flood-gates, to prevent the flux of the tide from entering the dock while the ship is under repair.

There are likewise docks of another kind, called wet-docks, where a ship can only be cleaned during the recess of the tide, or in the interval between the time when the tide left her dry a-ground, and the period when it again reaches her by the return of the flood. Docks of the latter kind are not furnished with the usual flood-gates.

DOCKING a ship, the act of drawing her into the dock, in order to give her a proper repair, and cleanse the bottom, and cover it anew with a preparation of stuff, as explained in the article Breaming.

DOCK-YARDS, arcenaux, certain magazines containing all sorts of naval stores, and timber for ship-building. In England, the royal dock-yards are at Chatham, Portsmouth, Plymouth, Deptford, Woolwich, and Sheerness. His majesty’s ships and vessels of war are generally moored at these ports, during the time of peace; and such as want repairing are taken into the docks, examined, and refitted for service. See the article Repair.

The principal dock-yards are governed by a commissioner, resident at the port, who superintends all the musters of the officers, artificers, and labourers, employed in the dock-yard, and ordinary. He also controls their payment therein; examines the accounts; contracts, and draws bills on the Navy-office to supply the deficiency of stores; and, finally, regulates whatever belongs to the dock-yard, maintaining due order in the respective offices.

These yards are generally supplied from the northern crowns with hemp, pitch, tar, rosin, canvas, oak plank, and several other species. With regard to the masts, particularly those of the largest size, they are usually imported from New-England.

DOG, a sort of iron hook, or bar, with a sharp fang at one end, so formed as to be easily driven into a plank: it is used to drag along the planks of oak when they are let into a hole under the stern of a ship, to be stowed in the hold. For this purpose there is a rope fastened to the end of the dog, upon which several men pull, to draw the plank towards the place where it is to be stowed. It is also used for the same purpose in unlading the ship.

DOGGER, dogre-bot, a Dutch fishing-vessel navigated in the German ocean. It is generally employed in the herring fishery, being equipped with two masts, viz. a main-mast and a mizen-mast, and somewhat resembling a ketch.

DOLPHIN of the mast a peculiar kind of wreath, formed of platted cordage, to be fastened occasionally round the masts, as a support to the puddening, whose use is to sustain the weight of the fore and main-yards, in case the rigging, or chains, by which those yards are suspended, should be shot away in the time of battle; a circumstance which might render their sails useless at a season when their assistance is extremely necessary. See the article Puddening.

DOUBLING, in navigation, (doubler, Fr.) the act of sailing round, or passing beyond a cape or promontory, so as that the cape or point of land separates the ship from her former situation, or lies between her and any distant observer.