substitute / submarine (undersea boat) / (broadcasting) Short for サブコントロールルーム (sabu-kontorōru rūmu).

the rear, back, or backside of something / the rearward or backward direction / the portion of a palace where a queen or other female imperial consort lives

skeleton of a body / framework, structure of an object such as a building / outline of an idea

imperfective and stem (or continuative) forms of みせる (miseru) [ichidan]