noun
A female child.
(sometimes offensive, see usage note) A woman, especially a young and often attractive woman.
(colloquial) A term of address to a female (see usage notes)
One's girlfriend.
One's daughter.
(especially with a possessive) A female friend.
A female non-human animal, especially, in affectionate address, a female pet, especially a dog.
(somewhat childish, as a modifier) A female (tree, gene, etc).
(informal) A machine or vehicle, especially one that the speaker uses often and is fond of.
A female servant; a maid. (see usage notes)
(US, slang, uncountable) Cocaine, especially in powder form.
(card games, slang, uncommon) A queen (the playing card).
(UK, dialect, obsolete) A roebuck two years old.
(obsolete) A child of any gender.
verb
(transitive) To feminize or girlify; to gender as a girl or as for girls.
(somewhat informal) To staff with or as a girl or girls.