(1):

(v. i.) See Smolder.

(2):

(v. i.) To exist in a state of suppressed or smothered activity; to burn inwardly; as, a smoldering feud.

(3):

(v. i.) To burn and smoke without flame; to waste away by a slow and supressed combustion.

(4):

(n.) Smoke; smother.

(5):

(v. t.) To smother; to suffocate; to choke.