bolt

/ˈbōlt/

Middle English, from Old English; akin to Old High German bolz crossbow bolt, and perhaps to Lithuanian beldėti to beat

noun

  1. a lightning stroke; also : thunderbolt

  2. a shaft or missile designed to be shot from a crossbow or catapult; especially : a short stout usually blunt-headed arrow

  3. a wood or metal bar or rod used to fasten a door

verb

  1. to move suddenly or nervously : start

  2. to move or proceed rapidly : dash

  3. to break away from control or a set course

adverb

  1. in an erect or straight-backed position : rigidly

  2. directly, straight

sat bolt upright