What is the meaning of girl?

noun

• A young woman.
  • usage: "a young lady of 18"
  • synonyms: miss, missy, young lady, young woman, fille
• A youthful female person.
  • usage: "the baby was a girl"; "the girls were just learning to ride a tricycle"
  • synonyms: female child, little girl
• A female human offspring.
  • usage: "her daughter cared for her in her old age"
  • synonyms: daughter
• A girl or young woman with whom a man is romantically involved.
  • usage: "his girlfriend kicked him out"
  • synonyms: girlfriend, lady friend
• A friendly informal reference to a grown woman.
  • usage: "Mrs. Smith was just one of the girls"