present participle of bolt

An act of bolting or running away. / A sifting, as of flour or meal. / (law) A private arguing of cases for practice by students, as in the Inns of Court.

(also figuratively) An accessory that can be bolted on or otherwise attached.

Of an accessory: capable of being bolted on or otherwise attached. / (figuratively, computing) Used to extend an existing system, operating as an add-on or plug-in.

plural of bolting

A surname.

plural of Bolte

(idiomatic) The basic inner workings of something; the fundamentals; that which makes something operate.

plural of Allen bolt

(idiomatic, slang) A piece of machinery that is not worth more than its scrap value, often an old car.