noun
Refers to a room at the front of a building or a waiting room before a main room; can be used for a parlor or lobby. The gloss 'anticum' is a rare architectural term.
来客は前室でしばらく待たされた。
The visitor was made to wait in the front room for a while.
ホテルの前室で待ち合わせましょう。
Let's meet in the hotel lobby.
noun
anterior ventricle
Medical/anatomical term; specifically refers to the anterior ventricle of the brain or heart.
前室は脳の前方に位置する。
The anterior ventricle is located in the front part of the brain.