diaphragm (n.)
- abdomen
- abomasum
- bag
- barrier
- belly
- brattice
- breadbasket
- buffer
- bulkhead
- bumper
- center
- condom
- cone
- contraceptive
- core
- craw
- crop
- cushion
- diameter
- division
- earphone
- embonpoint
- equator
- fender
- gizzard
- gullet
- gut
- headphone
- headset
- heart
- horn
- interior
- kernel
- loudspeaker
- mat
- maw
- mean
- median
- middle
- midriff
- midsection
- midst
- nucleus
- omasum
- pad
- panel
- paries
- partition
- paunch
- pessary
- pot
- potbelly
- prophylactic
- psalterium
- reticulum
- rubber
- rumen
- separation
- septum
- skin
- speaker
- spermicide
- stomach
- thick
- tummy
- tweeter
- underbelly
- waist
- waistline
- wall
- woofer
- zone
