潜航 せんこう submarine voyage #27,373 Meanings noun, takes する, intransitive submarine voyage; underwater navigation Its kanji 潜 セン · ひそ.む、もぐ.る、かく.れる、くぐ.る、ひそ.める submerge, conceal, hide, lower (voice), hush 航 コウ navigate, sail, cruise, fly