Wiktionary
young lady
n. 1 (&lit young lady English) 2 (non-gloss definition: A term of endearment or address for a girl.)
WordNet
young lady
n. a young woman; "a young lady of 18" [syn: girl, miss, missy, young woman, fille]
Usage examples of "young lady".
It looked as though he had twenty-four hours to find a pond in Hyde Park where a young lady might go swimming without being discovered.