一头 Traditional form: 一頭 Pinyin (reading): yītóu Definitions: one head a head full of sth one end (of a stick) one side headlong directly rapidly simultaneously Characters: 一 - one; a, an; alone 头 - head; chief, boss; first, top Traditional characters: 一 - one; a, an; alone 頭 - head; chief, boss; first, top