Girl
Young Lady
noun
A little woman is a girl or a young lady. This word is generally used to describe someone who's between the ages of about five and eighteen.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
三人の少女が川にいた。
Three girls were at the river.
おすすめの本のジャンルは、少女マンガです。
The book genre I recommend is girl's manga.
少女のようなスマイルの四十才だ。
She's a forty-year-old with a smile like a young a girl.