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A boatswain's whistle, used to call the crew to their duties; also, the sound of it.

The length, measured along the axis, of a complete turn of the thread of a screw, or of the helical lines of the blades of a screw propeller.

en after compliance with quarantine regulations, permitting a ship to land passengers and crew; -- a term used particularly in the south of Europe.

A contrivance for propelling a steam vessel, usually consisting of a screw placed in the stern under water, and made to revolve by an engine; a propeller wheel.

at any damage or loss sustained was not owing to the fault of the vessel, her officers or crew, but to the perils of the sea, etc., ads the case may be, and protesting against them.

er bill (Naut.), a list specifying the different stations to be taken by the officers and crew in time of action, and the names of the men assigned to each. -- Quarter block (Naut.), a block fitted under the quarters of a yard on each side of the slings, through which the clew lines and sheets are reeved. R. H. Dana,…

To run too fast at times, as a marine engine or screw, when the screw is lifted out of water by the action of a heavy sea.

m (Bot.), a Brazilian palm tree (Iriartea exorhiza) which has strong aërial roots like a screw pine. The roots have a hard, rough surface, and are used by the natives for graters and rasps, whence the common name.

ebels or of rebellion; resisting government or lawful authority by force. "Thy rebellious crew." "Proud rebellious arms." Milton. -- Re*bel"lious*ly, adv. -- Re*bel"lious*ness, n.

Hence: Groveling; low; vulgar; as, a reptile race or crew; reptile vices. There is also a false, reptile prudence, the result not of caution, but of fear. Burke. And dislodge their reptile souls From the bodies and forms of men. Coleridge.

ling (Pipe fitting), a coupling the opposite ends of which are tapped for a right-handed screw and a left-handed screw, respectivelly. -- Right angle. (a) The angle formed by one line meeting another perpendicularly, as the angles ABD, DBC. (b) (Spherics) A spherical angle included between the axes of two great circle…

left to right; dextral; -- said of spiral shells. See Illust. of Scalaria. Right-handed screw, a screw, the threads of which, like those of a common wood screw, wind spirally in such a direction that screw advances away from the observer when turned with a right-handed movement in a fixed nut.

a swaggerer; a bully; a ruffian. Assaults, if not murders, done at his own doors by that crew of rufflers. Milton.

ships or other vessels; one who understands the practical management of ships; one of the crew of a vessel; a mariner; a common seaman.

specially, a bony neckpiece of meat; hence, humorously or in contempt, the neck. Lady MacScrew, who . . . serves up a scrag of mutton on silver. Thackeray.

or no preparation; determined by circumstances; haphazard; as, a scratch team; a scratch crew for a boat race; a scratch shot in billiards. [Slang] Scratch race, one without restrictions regarding the entrance of competitors; also, one for which the competitors are chosen by lot.

The boatswain of a Lascar or East Ondian crew.

the absence of the fisherman. -- Set nut, a jam nut or lock nut. See under Nut. -- Set screw (Mach.), a screw, sometimes cupped or printed at one end, and screwed through one part, as of a machine, tightly upon another part, to prevent the one from slipping upon the other. -- Set speech, a speech carefully prepared…

rtation of vessels overland between two water courses or harbors. -- Ship's company, the crew of a ship or other vessel. -- Ship's days, the days allowed a vessel for loading or unloading. -- Ship's husband. See under Husband. -- Ship's papers (Mar. Law), papers with which a vessel is required by law to be provided…

the side levers, in a side-lever engine. (b) See Parallel rod, under Parallel. -- Side screw (Firearms), one of the screws by which the lock is secured to the side of a firearm stock. -- Side table, a table placed either against the wall or aside from the principal table. -- Side tool (Mach.), a cutting tool, used…