chink

(noun) (ethnic slur) offensive term for a person of Chinese descent. Synonyms: Chinaman.

(noun) a narrow opening as e.g. between planks in a wall.

(noun) a short light metallic sound. Synonyms: click, clink.

(verb) make or emit a high sound. Synonyms: tinkle, tink, clink. Example: "Tinkling bells."

(verb) fill the chinks of, as with caulking.

(verb) make cracks or chinks in. Synonyms: check. Example: "The heat checked the paint."