Nay has 9 different meanings across 4 categories:
Noun · Adverb · Intj · Proper Noun
A vote against.
"After debating the proposal, three council members cast their nay to reject the new budget."
To refuse.
"When asked to lend her money, she firmly said nay and turned away."
Nary.
"Nay, I shall not attend the meeting today."
No.
"When asked if he would attend the meeting, he replied nay and stayed home."
No.
"Nay, I will not attend the meeting today."
Abbreviation of Nayarit, a state of Mexico.
"Captain Nay led his crew through the stormy night."
A surname.
Nay comes from Old Norse nei, which originally meant "no" by combining words for "not" and "ever." This form traveled into Middle English as an interjection before also giving rise to the verb nayen, meaning to refuse or deny something.