Possible Definitions:
1. Maid (n.) An unmarried woman; usually, a young unmarried woman; esp., a girl; a virgin; a maiden.
2. Maid (n.) A man who has not had sexual intercourse.
3. Maid (n.) A female servant.
4. Maid (n.) The female of a ray or skate, esp. of the gray skate (Raia batis), and of the thornback (R. clavata).