Is a Term used in conding a Ship; thus Luff up, is to bid the Man at the steering Wheel, keep nearer the Wind. To Luff into an Harbour, is to sail into it, close by the Wind. To spring the Luff, is when a Ship, that before was going large before the Wind, is brought close, or claps close by the Wind. When a Ship sails upon a Wind as they say, that is, on a Quarter Wind, the Word of him that Conds is, Luff; keep your Luff; Veer no more; keep her too; touch the Wind; have a Care of a Lee Latch. All which Words signify much the same Thing, and bids the Man at the Wheel to keep the Ship near the Wind. But on the contrary, if the Ship is to go more large or right before the Wind, the Word is, Ease the Helm; no near! bear up. Luff Hook Is to succour the Tackles in a large Sail, that all the Stress may not bear upon the Tack; sometimes also it is used when the Tack is to be seized the surer. Luff Tackle Is a Tackle in a Ship, which serves to lift or hoist all small Weights in or out of her. Lying under the Sea When in a Storm the Ship is a-hull, and the Helm so fastened a-lee, that the Sea breaks upon her Bow or Broadside, _&c._ Lyme Is to make Mortar for the Use of the Bricklayers and Stone Masons. Lyon Is a carved Figure fixed on the Knee of the Head. Mails Are made of Iron, and interwoven, not unlike a Chain; they are for rubbing off the loose Hemp which remain on Lines or white Cordage after it is made. Mallets Buildge Are used by the Caulkers for driving in the reeming irons, to open the Seams before caulked. Driving Are used by the Riggers to splice Cordage. Serving Are used by the Riggers and Sail-makers after they have put on Parsling of old Canvas, for serving the Ship's Shrouds, or Clews of Sails. Mandrels The Smiths set Hoops round, on them. Manger Is a Place partitioned off in the Bow of the Ship, to keep the Water that may come in at the Hawse Holes from running Fore and Aft on the Deck, and has two large Scuppers fixed on each Side to vent the Water that comes in. Marline Is small Line made with two Strands laid slack, that it may be the more pliable, out of Hemp flyings; its use is to seize the End of Ropes, Straps of Blocks, _&c._ And marling a Sail is fastening it to the Boltrope by a Logline put through the Eye-let Holes at the two lower Clews, when served and marled before finished for Service. Marline Spikes Are made tapering of Iron, for spliceing together small Ropes, _&c._ Marking Yarn Is white Yarn spun the wrong Way, and put into all Cordage of three Inches and upwards, as the King's Mark. Master Appointed by Warrant from the Navy Board, and is to obey his Commander's Orders for the dispatching the Ship in fitting her out; to inspect the Provisions and Stores sent on board; to take Care of the Ballast that the Hold be carefully stowed, the Rigging and Stores duely preserved, and to navigate the Ship, _&c._ Master at Arms