oath meaning
EN
[ˈəʊθ] [ˈoʊθ] [-əʊθ] 
US WOath
- Traditionally an oath (from Anglo-Saxon āð, also called plight) is either a statement of fact or a promise with wording relating to something considered sacred as a sign of verity.
- NounPLoaths
- A solemn pledge or promise to a god, king, or another person, to attest to the truth of a statement or contract.
- The affirmed statement or promise accepted as equivalent to an oath.
- A light or insulting use of a solemn pledge or promise to a god, king or another person, to attest to the truth of a statement or contract the name of a deity in a profanity, as in swearing oaths.
- Swearing doesn't just mean what we now understand by "dirty words". It is entwined, in social and linguistic history, with the other sort of swearing: vows and oaths. Consider for a moment the origins of almost any word we have for bad language – "profanity", "curses", "oaths" and "swearing" itself.
- A curse.
- (law) An affirmation of the truth of a statement.
- A solemn pledge or promise to a god, king, or another person, to attest to the truth of a statement or contract.
- VerbSGoathsPRoathingPT, PPoathed
- More Examples
- Used in the Middle of Sentence
- The Oath is redacted ; pronounced aloud by President Bailly, — and indeed in such a sonorous tone, that the cloud of witnesses, even outdoors, hear it, and bellow response to it.
- Used in the Middle of Sentence
Definition of oath in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Verbs
- Nouns
Source: Wiktionary
Grammatically, this word "oath" is a noun, more specifically, a countable noun. It's also a verb.