noun
robotic vacuum cleaner; robovac; Roomba
Refers to an autonomous vacuum-cleaning robot. ルンバ is a trademark often used generically in casual speech.
掃除ロボットが自動で部屋を掃除してくれる。
The robotic vacuum cleaner cleans the room automatically.
最近、掃除ロボットを買
I recently bought a robovac.