trierarch /trīˈə-rärk/ (Gr hist)

1. The commander of a trireme
2. A person required (alone or with others) to fit out a trireme

triˈerarchal adjective

triˈerarchy noun

1. The office of trierarch
2. The obligation of fitting out ships

• opprobrium
• opprobriums
• oppugn
• oppugnancies
• oppugnancy
• oppugnant
• oppugnants
• oppugned
• oppugner
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• oppugning
• oppugns
• ops
• OP's
• Ops
• op shop
• op shops
• OPSI
• opsimath
• opsimathies
• opsimaths
• opsimathy
• opsin
• opsins
• opsiometer