From The Collaborative International Dictionary of English v.0.48:
Jeer \Jeer\, n. [Cf. Gear.] (Naut.)
(a) A gear; a tackle.
(b) pl. An assemblage or combination of tackles, for hoisting
or lowering the lower yards of a ship.
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Jeer capstan (Naut.), an extra capstan usually placed
between the foremast and mainmast.
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From The Collaborative International Dictionary of English v.0.48:
Jeer \Jeer\, v. i. [imp. & p. p. Jeered; p. pr. & vb. n.
Jeering.] [Perh. a corrup. of cheer to salute with cheers,
taken in an ironical sense; or more prob. fr. D. gekscheren
to jeer, lit., to shear the fool; gek a fool (see 1st Geck)
+ scheren to shear. See Shear, v.]
To utter sarcastic or scoffing reflections; to speak with
mockery or derision; to use taunting language; to scoff; as,
to jeer at a speaker.
[1913 Webster]
But when he saw her toy and gibe and jeer. --Spenser.
Syn: To sneer; scoff; flout; gibe; mock.
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From The Collaborative International Dictionary of English v.0.48:
Jeer \Jeer\, v. t.
To treat with scoffs or derision; to address with jeers; to
taunt; to flout; to mock at.
[1913 Webster]
And if we can not jeer them, we jeer ourselves. --B.
Jonson.
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From The Collaborative International Dictionary of English v.0.48:
Jeer \Jeer\, n.
A railing remark or reflection; a scoff; a taunt; a biting
jest; a flout; a jibe; mockery.
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Midas, exposed to all their jeers,
Had lost his art, and kept his ears. --Swift.
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