tompion
noun
tom·pi·on ˈtäm-pē-ən 
less common variant of tampion
: a wooden plug or a metal or canvas cover for the muzzle of a gun
- polymers
- polymery
- polymetallic
- polymeter
- polymethine
- polymethine dye
- polymethyl methacrylate
- polymetric
- polymetry
- polymicrobial
- polymicrobic
- polymignite
- polymignyte
- Polymixia
- polymixiid
- Polymnia
- polymnite
- polymolecular
- polymolecularity
- polymolybdate
- polymorph
- Polymorpha
- polymorphean
- polymorphic
- polymorphically