(onomatopoeia) The sound of metal on metal, or glass on glass.

Stress cracks produced in metal ingots as they cool after being cast.

(dated, slang) A prison.

(transitive, intransitive) To make a clinking sound; to make a sound of metal on metal or glass on glass; to strike materials such as metal or glass against one another.

(humorous, dated) To rhyme.

(transitive, Scotland) To clinch; to rivet.