うつ伏す うつぶす to lie face down (e.g. on the ground Meanings also 俯す godan verb, intransitive to lie face down (e.g. on the ground, napping on a desk); to lie prone archaic to lower (one's head, gaze, etc.) Its kanji 伏 フク · ふ.せる、ふ.す prostrated, bend down, bow, cover, lay (pipes)