Lady Plural. Woman female often used in a courteous reference show the lady to a seat or usually in the plural in address ladies and gentlemen. As a modifier of a plural noun woman like man is exceptional in that the plural form women is used.
The plural form of woman is women. Heres one that people get wrong all the time. In the meanings refined polite woman and woman of high social position the noun lady is the parallel of gentleman.
The plural of woman is women.
An informal name for wife. W C Fields Some words do not form their plurals by adding s to the end but by changing their forms eg man becomes men foot becomes feet mouse becomes mice. The plural form of lady is ladies. The most important thing here is the change in pronunciation.