adverb
Definition: An expression used to indicate a negative response or to say 'no'.
Example: The committee voted nay on the proposed changes.
conjunction
Definition: A word used to express a negative response or to indicate disagreement, often used in formal contexts.
Example: The proposal was rejected, nay, it was deemed unacceptable by the committee.
noun
Definition: A word used to express a negative response or refusal, often in voting situations.
Example: In the meeting, the majority voted 'aye', but there were a few 'nays' against the proposal.