Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of spiral is as below...

Chank :: Chank (n.) The East Indian name for the large spiral shell of several species of sea conch much used in making bangles, esp. Turbinella pyrum. Called also chank chell..

Sinistral :: Sinistral (a.) Having the whorls of the spire revolving or rising to the left; reversed; -- said of certain spiral shells.

Twist :: Twist (n.) The spiral course of the rifling of a gun barrel or a cannon.

Gyroidal :: Gyroidal (a.) Having the planes arranged spirally, so that they incline all to the right (or left) of a vertical line; -- said of certain hemihedral forms..

Gyroidal :: Gyroidal (a.) Turning the plane of polarization circularly or spirally to the right or left.

Gyration :: Gyration (n.) One of the whorls of a spiral univalve shell.

Maclurea :: Maclurea (n.) A genus of spiral gastropod shells, often of large size, characteristic of the lower Silurian rocks..

Helicine :: Helicine (a.) Curled; spiral; helicoid; -- applied esp. to certain arteries of the penis.

Pampre :: Pampre (n.) An ornament, composed of vine leaves and bunches of grapes, used for decorating spiral columns..

Twining :: Twining (a.) The act of one who, or that which, twines; (Bot.) the act of climbing spirally..

Auger :: Auger (n.) A carpenter's tool for boring holes larger than those bored by a gimlet. It has a handle placed crosswise by which it is turned with both hands. A pod auger is one with a straight channel or groove, like the half of a bean pod. A screw auger has a twisted blade, by the spiral groove of which the chips are discharge..

Ganoidei :: Ganoidei (n. pl.) One of the subclasses of fishes. They have an arterial cone and bulb, spiral intestinal valve, and the optic nerves united by a chiasma. Many of the species are covered with bony plates, or with ganoid scales; others have cycloid scales..

Screw :: Screw (n.) Specifically, a kind of nail with a spiral thread and a head with a nick to receive the end of the screw-driver. Screws are much used to hold together pieces of wood or to fasten something; -- called also wood screws, and screw nails. See also Screw bolt, below..

Hydractinian :: Hydractinian (n.) Any species or marine hydroids, of the genus Hydractinia and allied genera. These hydroids form, by their rootstalks, a firm, chitinous coating on shells and stones, and esp. on spiral shells occupied by hermit crabs. See Illust. of Athecata..

Tracheid :: Tracheid (n.) A wood cell with spiral or other markings and closed throughout, as in pine wood..

Volute :: Volute (n.) A spiral turn, as in certain shells..

Helical :: Helical (a.) Of or pertaining to, or in the form of, a helix; spiral; as, a helical staircase; a helical spring..

Tympanum :: Tympanum (n.) A drum-shaped wheel with spirally curved partitions by which water is raised to the axis when the wheel revolves with the lower part of the circumference submerged, -- used for raising water, as for irrigation..

Suspiration :: Suspiral (n.) A spring of water passing under ground toward a cistern or conduit.

Creeper :: Creeper (n.) Any device for causing material to move steadily from one part of a machine to another, as an apron in a carding machine, or an inner spiral in a grain screen..

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