[əʊθ], (Noun)

Definitions:
- a solemn promise, often invoking a divine witness, regarding one's future action or behaviour
(e.g: they took an oath of allegiance to the king)

- a coarse or blasphemous word or phrase used to express anger or other strong emotion
(e.g: he exploded with a mouthful of oaths)


Phrases:
- my oath
- under oath

Origin:
Old English āth, of Germanic origin; related to Dutch eed and German Eid