cog

A tooth on a gear.

A gear; especially, a cogwheel.

She said: " We're not wasting time. While the cogs of Parliament continue to whir, we will continue to work on the rolling stock and infrastructure strategy, the national transport integrated strategy, and our accessibility roadmap.

An unimportant individual in a greater system.

just a cog in the machine

All the old problems, the stale ones, both personal and general, had been solved by one mighty slash. Heaven alone knew as yet what others might arise - and it looked as though there would be plenty of them - but they would be new. I was emerging as my own master, and no longer a cog.

A projection or tenon at the end of a beam designed to fit into a matching opening of another piece of wood to form a joint.

One of the rough pillars of stone or coal left to support the roof of a mine.

To furnish with a cog or cogs.

Of an electric motor or generator, to snap preferentially to certain positions when not energized.

A partially clinker-built, flat-bottomed, square-rigged mediaeval ship of burden or war, with a round, bulky hull and a single mast, typically 15 to 25 meters in length, in use from ca. 1150 to 1500.

The name of the ship was Dawn Treader. She was only a little bit of a thing compared with one of our ships, or even with the cogs, dromonds, carracks and galleons which Narnia had owned when Lucy and Edmund had reigned there under Peter as the High King, for nearly all navigation had died out in the reigns of Caspian's ancestors.

The hypothetical precursor ship type of the above said to be in use during the early Middle Ages, variously alleged to be Frisian or Scandinavian.

A small fishing boat.