ラバー Noun Common unclassified name English jmdict 1 noun (common) (futsuumeishi) rubber English jmnedict 1 Laber
ラバーカップ Noun English jmdict 1 noun (common) (futsuumeishi) plunger (for unblocking sinks, toilets, etc.) 2 noun (common) (futsuumeishi) rubber cup