noun
pigtails; bunches; two ponytails
A hairstyle with two tails, one on each side of the head. Often used in anime/manga contexts; ツインテール is a common synonym.
wasei-eigo (Japanese-coined English), from two tail
See also: ツインテール
彼女は今日、ツーテールにしている。
She's wearing her hair in pigtails today.
アニメのキャラクターはよくツーテールだ。
Anime characters often have pigtails.