Lug bolt
Lug Lug (l[u^]g), n. [Sw. lugg the forelock.] 1. The ear, or its lobe. [Scot. & Prov. Eng.] [1913 Webster]

2. That which projects like an ear, esp. that by which anything is supported, carried, or grasped, or to which a support is fastened; an ear; as, the lugs of a kettle; the lugs of a founder's flask; the lug (handle) of a jug. [1913 Webster]

3. (Mach.) A projecting piece to which anything, as a rod, is attached, or against which anything, as a wedge or key, bears, or through which a bolt passes, etc. [1913 Webster]

4. (Harness) The leather loop or ear by which a shaft is held up. [1913 Webster]

5. (Zo["o]l.) The lugworm. [1913 Webster]

6. A man; sometimes implying clumsiness. [slang] [PJC]

{Lug bolt} (Mach.), a bolt terminating in a long, flat extension which takes the place of a head; a strap bolt.

{Lug nut} (Mach.), a large nut fitting a heavy bolt; -- used especially of the nuts used to attach wheels to vehicles.

{Lug wrench} (Mach.), a wrench used to tighten or loosen lug nuts, usually a steel rod having a hexagonally shaped socket which fits closely over the lug nut; sometimes in the shape of a cross, having several such sockets, one at the end of each arm, to accommodate nuts of different sizes. [1913 Webster +PJC]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • lug bolt — Bolts which secure the wheel to the hub. Also called wheel lug bolt. Also see locking lug bolt …   Dictionary of automotive terms

  • lug bolt — noun Etymology: lug (IV) 1. : a bolt terminating in a long flat extension or hook instead of a head called also strap bolt 2. : a bolt for fastening a lug …   Useful english dictionary

  • lug bolt — noun A bolt pressed into the hub on an axle, with the threaded end out to receive a lug nut …   Wiktionary

  • locking lug bolt — An anti theft wheel lug bolt which requires a special wrench to remove it …   Dictionary of automotive terms

  • wheel lug bolt — The bolts used to fasten the wheel to the hub. Also called lug bolt …   Dictionary of automotive terms

  • Lug — (l[u^]g), n. [Sw. lugg the forelock.] 1. The ear, or its lobe. [Scot. & Prov. Eng.] [1913 Webster] 2. That which projects like an ear, esp. that by which anything is supported, carried, or grasped, or to which a support is fastened; an ear; as,… …   The Collaborative International Dictionary of English

  • Lug nut — Lug Lug (l[u^]g), n. [Sw. lugg the forelock.] 1. The ear, or its lobe. [Scot. & Prov. Eng.] [1913 Webster] 2. That which projects like an ear, esp. that by which anything is supported, carried, or grasped, or to which a support is fastened; an… …   The Collaborative International Dictionary of English

  • Lug wrench — Lug Lug (l[u^]g), n. [Sw. lugg the forelock.] 1. The ear, or its lobe. [Scot. & Prov. Eng.] [1913 Webster] 2. That which projects like an ear, esp. that by which anything is supported, carried, or grasped, or to which a support is fastened; an… …   The Collaborative International Dictionary of English

  • bolt — A securing device upon which a nut is threaded. It usually has a nut type head. It is usually measured not so much by the size of the wrench required to secure the bolt; but by the diameter of the threads, the thread pitch, the length of the bolt …   Dictionary of automotive terms

  • lug — [1] To cause the engine to labor by failing to shift to a lower gear when necessary. The British term is labour. [2] A protrusion on an object. [3] A sleeve into which bicycle frame tubes are inserted to form a joint. Also see dog [3] An external …   Dictionary of automotive terms

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