下丘脑 Traditional form: 下丘腦 Pinyin (reading): xiàqiūnǎo Definitions: hypothalamus (anatomy) Characters: 下 - below, underneath; inferior; to bring down; next 丘 - mound, hill; surname 脑 - brain Traditional characters: 下 - below, underneath; inferior; to bring down; next 丘 - mound, hill; surname 腦 - brain