1. A washing machine with one drum for washing and one drum for spin drying

Derived forms: twin tubs

• black and gold garden spider
• black and white
• black Angus
• black apricot
• black archangel
• black art
• black ash
• black bamboo
• black bass
• black bead
• black bean
• black bear
• black bearberry
• black bee
• black beech
• black belt
• black bile
• black bindweed
• black birch
• black book
• black box
• black bread
• black bream
• black bryony
• black buffalo