hook motion

Webster's Dictionary (GCIDE)

1.A piece of metal, or other hard material, formed or bent into a curve or at an angle, for catching, holding, or sustaining anything; as, a hook for catching fish; a hook for fastening a gate; a boat hook, etc. [1913 Webster]

2.That part of a hinge which is fixed to a post, and on which a door or gate hangs and turns. [1913 Webster]

3.An implement for cutting grass or grain; a sickle; an instrument for cutting or lopping; a billhook. [1913 Webster]

Like slashing Bentley with his desperate hook.— Pope.[1913 Webster]

4.(Steam Engin.) See Eccentric, and V-hook. [1913 Webster]

5.A snare; a trap. [R.] --Shak. [1913 Webster]

6.A field sown two years in succession. [Prov. Eng.] [1913 Webster]

7.pl. The projecting points of the thigh bones of cattle; -- called also hook bones. [1913 Webster]

8.(Geog.) A spit or narrow cape of sand or gravel turned landward at the outer end; as, Sandy Hook in New Jersey. [Webster 1913 Suppl. +PJC]

9.(Sports) The curving motion of a ball, as in bowling or baseball, curving away from the hand which threw the ball; in golf, a curving motion in the direction of the golfer who struck the ball. [PJC]

10.(Computers) A procedure within the encoding of a computer program which allows the user to modify the program so as to import data from or export data to other programs. [PJC]

By hook or by crook, one way or other; by any means, direct or indirect. --Milton. "In hope her to attain by hook or crook." --Spenser.

Off the hook, freed from some obligation or difficulty; as, to get off the hook by getting someone else to do the job. [Colloq.]

Off the hooks, unhinged; disturbed; disordered. [Colloq.] "In the evening, by water, to the Duke of Albemarle, whom I found mightly off the hooks that the ships are not gone out of the river." --Pepys.

On one's own hook, on one's own account or responsibility; by one's self. [Colloq. U.S.] --Bartlett.

To go off the hooks, to die. [Colloq.] --Thackeray.

Bid hook, a small boat hook.

Chain hook. See under Chain.

Deck hook, a horizontal knee or frame, in the bow of a ship, on which the forward part of the deck rests.

Hook and eye, one of the small wire hooks and loops for fastening together the opposite edges of a garment, etc.

Hook bill (Zool.), the strongly curved beak of a bird.

Hook ladder, a ladder with hooks at the end by which it can be suspended, as from the top of a wall.

Hook motion (Steam Engin.), a valve gear which is reversed by V hooks.

Hook squid, any squid which has the arms furnished with hooks, instead of suckers, as in the genera Enoploteuthis and Onychteuthis.

Hook wrench, a wrench or spanner, having a hook at the end, instead of a jaw, for turning a bolthead, nut, or coupling. [1913 Webster]