1. Having a shell that forms a spiral

See also: shelled

• bluet
• bluethroat
• bluethroat pikeblenny
• bluetick
• bluetongue
• Bluetooth
• blueweed
• bluewing
• bluey
• bluff
• bluff out
• bluffer
• bluffly
• bluffness
• bluing
• bluish
• bluish black
• bluish green
• bluish-gray
• bluish-grey
• bluish-lilac
• bluish-purple
• bluish-violet
• bluish-white
• blunder