sea·cock 
(sēkŏk′)
(sēkŏk′)n.
A valve in the hull of a boat or ship that may be opened to let in or discharge water, as in filling or emptying a ballast tank.
- monomeric
- monometallic
- monometallism
- monometallist
- monometer
- monomial
- monomolecular
- monomolecularly
- monomorphic
- monomorphism
- monomorphous
- Monongahela River
- mononuclear
- mononuclear phagocyte system
- mononucleosis
- mononucleotide
- monophagous
- monophagy
- monophobia
- monophobic
- monophonic
- monophonically
- monophony
- monophthong
- monophthongal