clappy-doo /klapˈi-doo/ or clabby-doo /klabˈi-/ (Scot)

A type of large black mussel

• outwaiting
• outwaits
• outwalk
• outwalked
• outwalking
• outwalks
• out-wall
• out-walls
• outward
• outward-bound
• Outward Bound®
• outwardly
• outwardness
• outwardnesses
• outwards
• outward-sainted
• outwash
• outwashes
• outwatch
• outwatched
• outwatches
• outwatching
• outwear
• outwearied
• outwearies