nectocalyx /nek-tō-kāˈliks/

A hydrozoan swimming-bell

• backbreaker
• backbreakers
• backbreaking
• back burner
• back-burner
• back burners
• back-calculate
• back-calculated
• back-calculates
• back-calculating
• back-calculation
• backcast
• backcasting
• backcasts
• back catalogue
• back catalogues
• back-chain
• back channel
• back channels
• backchat
• backchats
• backchatted
• backchatting
• back-cloth
• back-cloths