1.
braids; pigtails; plaits
Hair braided and hanging down, typically in two braids on each side of the head. Most commonly associated with girls' hairstyles.
From お下げ, literally "hanging down" with the honorific prefix お. Originally referred to any hair hanging down the back, but now specifically means braided pigtails.
Usage
Strongly associated with young girls, especially schoolgirls. The image of おさげ evokes childhood and innocence in Japanese culture. Also called 三つ編み (three-strand braid) when referring to the braiding technique itself.