bolt's-head

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• 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

• head bolt — See cylinder head bolt octagonal head bolt round head bolt …   Dictionary of automotive terms

• Bolt — Bolt, n. [AS. bolt; akin to Icel. bolti, Dan. bolt, D. bout, OHG. bolz, G. bolz, bolzen; of uncertain origin.] 1. A shaft or missile intended to be shot from a crossbow or catapult, esp. a short, stout, blunt headed arrow; a quarrel; an arrow, or …   The Collaborative International Dictionary of English

• Bolt and nut — Bolt Bolt, n. [AS. bolt; akin to Icel. bolti, Dan. bolt, D. bout, OHG. bolz, G. bolz, bolzen; of uncertain origin.] 1. A shaft or missile intended to be shot from a crossbow or catapult, esp. a short, stout, blunt headed arrow; a quarrel; an… …   The Collaborative International Dictionary of English

• Bolt auger — Bolt Bolt, n. [AS. bolt; akin to Icel. bolti, Dan. bolt, D. bout, OHG. bolz, G. bolz, bolzen; of uncertain origin.] 1. A shaft or missile intended to be shot from a crossbow or catapult, esp. a short, stout, blunt headed arrow; a quarrel; an… …   The Collaborative International Dictionary of English

• Bolt Tail — is a headland in Devon, England. It is located immediately to the south west of Hope Cove in the South Hams district, at grid reference gbmappingsmall|SX670397.Bolt Tail is the site of an Iron Age promontory fort, although little evidence now… …   Wikipedia

• Bolt Head — is a National Trust headland on the South Coast of Devon, England, situated west of the Kingsbridge Estuary.References [http://encyclopedia.farlex.com/Bolt+Head Hutchinson Encyclopedia] External links [http://www.rafharrowbeer.co.uk/bolt head.htm …   Wikipedia

• bolt|head — «BOHLT HEHD», noun. 1. the head of a bolt. 2. (formerly) a round or oval matrass …   Useful english dictionary

• bolt — ► NOUN 1) a long metal pin with a head that screws into a nut, used to fasten things together. 2) a bar that slides into a socket to fasten a door or window. 3) the sliding piece of the breech mechanism of a rifle. 4) a short, heavy arrow shot… …   English terms dictionary

• bolt — bolt1 [bōlt] n. [ME & OE, akin to Ger bolzen < IE base * bheld , to knock, strike] 1. a short, heavy, often blunt arrow shot from a crossbow 2. a flash of lightning; thunderbolt 3. a sudden dash or movement 4. a sliding bar for locking a door …   English World dictionary