To sift, especially through a cloth. / To sift the bran and germ from wheat flour. / To separate, assort, refine, or purify by other means.

A sieve, especially a long fine sieve used in milling for bolting flour and meal; a bolter.

A (usually) metal fastener consisting of a cylindrical body that is threaded, with a larger head on one end. It can be inserted into an unthreaded hole up to the head, with a nut then threaded on the other end; a heavy machine screw.

To connect or assemble pieces using a bolt. / To secure a door by locking or barring it. / (intransitive) To flee, to depart, to accelerate suddenly.

Suddenly; straight; unbendingly.

(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.

A surname.

plural of Bolte

plural of bolting