1. The platform about the head of the mainmast in square-rigged vessels

Derived forms: maintops

• impressiveness
• impressment
• imprest
• imprimatur
• imprimis
• imprint
• imprinting
• imprison
• imprisoned
• imprisonment
• impro
• improbability
• improbable
• improbableness
• improbably
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• impromptu
• improper
• improper fraction
• improperly
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• improv
• improvability
• improvable