plural of paper mill

plural of pulp mill

A factory for making paper pulp from (usually) wood.

plural of gig-mill

A machine used to bring up a nap on certain types of cloth, or a building housing such machines.

plural of mill race

(archaic, derogatory) A tavern that serves gin.

Any of a series of British fragmentation hand grenades.

A classroom exercise in which students have to mill around to exchange information.

A phenomenon where a group of army ants separated from the main foraging party lose the pheromone track and begin to follow one another, forming a continuously rotating circle and eventually dying of exhaustion.