katabothron /kat-ə-bothˈron/ or katavothron /ka-tavˈo-thron/

An underground water channel

• pulvilli
• pulvilliform
• pulvilling
• pulvillio
• pulvillus
• pulvils
• pulvinar
• pulvinars
• pulvinate
• pulvinated
• pulvini
• pulvinule
• pulvinules
• over-drowsed
• overdub
• overdubbed
• overdubbing
• overdubs
• overdue
• overdust
• overdusted
• overdusting
• overdusts
• overdye
• overdyed