Dictionary definition · bolt
noun
- a discharge of lightning accompanied by thunder
- a sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech
- the part of a lock that is engaged or withdrawn with a key
- the act of moving with great haste"he made a dash for the door"
- a roll of cloth or wallpaper of a definite length
verb
- move or jump suddenly"She bolted from her seat"
- secure or lock with a bolt"bolt the door"
- swallow hastily
- run away; usually includes taking something or somebody along"The thief made off with our silver"
- leave suddenly and as if in a hurry"The listeners bolted when he discussed his strange ideas"
adverb
- in a rigid manner"the body was rigidly erect"
- directly"he ran bang into the pole"
Source: Open English WordNet (CC BY 4.0).