Lady Plural. As a modifier of a plural noun woman like man is exceptional in that the plural form women is used. Women is the plural form of woman so one woman many.

The voice of Lady is feminine and the article die. Woman female often used in a courteous reference show the lady to a seat or usually in the plural in address ladies and gentlemen. One woman two women.
ˈleɪdɪ.
Man - men woman - women foot - feet tooth - teeth child - children medium- media Attention. As forms of address both nouns are used in the plural Ladies and gentlemen thank you for your cooperation but only lady occurs in the singular. People have to learn which form to use as they. Compound noun Lady is an adjective here.