Webster's Revised Unabridged Dictionary · 1913

Gear

Gear (gēr) , noun

[Old English gere, ger, Anglo-Saxon gearwe clothing, adornment, armor, from gearo, gearu, ready, yare; akin to Old High German garawī, garwī ornament, dress. See Yare, and compare Garb dress.]

1.
Clothing; garments; ornaments.
Array thyself in thy most gorgeous gear. — Spenser
2.
Goods; property; household stuff. — Chaucer
Homely gear and common ware. — Robynson (More's Utopia)
3.
Whatever is prepared for use or wear; manufactured stuff or material.
Clad in a vesture of unknown gear. — Spenser
4.
The harness of horses or cattle; trapping.
5.
Warlike accouterments. [Scottish] — Jamieson
6.
Manner; custom; behavior. [Obsolete] — Chaucer
7.
Business matters; affairs; concern. [Obsolete]
Thus go they both together to their gear. — Spenser
8.
(a) (Mechanics) A toothed wheel, or cogwheel; as, a spur gear, or a bevel gear; also, toothed wheels, collectively.
(b)
(Mechanics) An apparatus for performing a special function; gearing; as, the feed gear of a lathe.
(c)
(Mechanics) Engagement of parts with each other; as, in gear; out of gear.
9.
(Nautical) See 1st Jeer (b).
10.
Anything worthless; stuff; nonsense; rubbish. [Obsolete or Provincial English] — Wright
That servant of his that confessed and uttered this gear was an honest man. — Latimer
Collocations (8)
Bever gear , See Bevel gear.
Core gear , a mortise gear, or its skeleton. See Mortise wheel, under Mortise.
Expansion gear (Steam Engine) , the arrangement of parts for cutting off steam at a certain part of the stroke, so as to leave it to act upon the piston expansively; the cut-off. See under Expansion.
Feed gear , See Feed motion, under Feed, n.
Gear cutter , a machine or tool for forming the teeth of gear wheels by cutting.
Gear wheel , any cogwheel.
Running gear , See under Running.
To throw in gear or To throw out of gear (Machinery) , to connect or disconnect (wheelwork or couplings, etc.); to put in, or out of, working relation.

Gear (gēr) , transitive verb

1.
To dress; to put gear on; to harness.
2.
(Machinery) To provide with gearing.
3.
To adapt toward some specific purpose; as, they geared their advertising for maximum effect among teenagers.
Collocations (1)
Double geared , driven through twofold compound gearing, to increase the force or speed; -- said of a machine.

Gear , intransitive verb

(Machinery) To be in, or come into, gear.