Are that shouldered Part of all Masts over which the Shrouds are put; and all above that is called the Mast-head. Housed in When the Breadth of a Ship's Bearing is brought in too narrow to her upper Works, or pinched in too much, she is Housed-in. Hull Is the main Body of a Ship without either Masts, Yards, Sails, or Rigging. Hullock Is some small Part of a Sail, let loose in a great Storm; it is chiefly used in the Mizon to keep the Ship's Head to the Sea when all the rest of the Sail is made up, except a little at the Mizon Yard Arm. Hummers Used by the Scavengers for rakeing up the Filth that comes off from the Ships Bottoms upon their being scrub'd, which settles at the Bottom of the Dock, or upon the Apron near the Gates; are made of Wood, not unlike a Rake. Jeer Is a large Rope reeved through treble or double Blocks, lashed at the Mast-head and on the Yard, which are to hoist or lower the Low-Yards. Jewel Made not unlike the Ring of an Anchor, and of Substance, that its Weight may carry it down, to purchase any Thing that is heavy under Water, when two Parts of a Cable or Rope are put through it, and as they heave, the Jewel slides down, jams the Bite, so as that it may not slip off the Purchase the Rope is about. Jews Harp Are made of Iron, and of such Substance and suitable Strength, as to be sufficient to hold the Pendant Chain where the Moaring Cable is bent to the Ring, and secured by a Forelock; the other End, which is round, takes the two short Pendant Chains the Rings of the Anchors are fastened to; as is the Wood Buoy and Chain. Iron Orground, _Stockholm_ and _Spanish_, used by the Smiths for making Anchors, Bolts, Hoops, and for all other Services where it is proper to be used in building Ships, or about the Docks, Wharfs, and Yard, _&c._ Iron Sick A Ship or Boat is said to be Iron-sick, when her Bolts or Nails are so eaten with Rust, and so worn away, that they make hollows in the Planks, so as to make the Ship Leaky. Junk Is old Cables cut into short Lengths, and issued to Boatswains for making Swabs, Platts and Nippers; to Carpenters of Ships, and to poor People to be picked into Ocham, for Caulking Ships Sides, Decks, _&c._ Jury Mast Whatever is set up in the Room of a Mast lost in a Fight, or by a Storm, and fastened into the Partners, and fitted with a lesser Yard, Sails and Ropes, is called a Jury Mast, _&c._ Jutty heads Platforms standing on Piles which are made near the Docks, and project without the Wharfs for the more convenient docking and undocking Ships. Keckle When the Cables of a Ship gaul in the Hawse, they wind old Rope about them, which is called Keckling. Kedging