The correct spelling of the phrase "most peacock" is /moʊst ˈpipˌkɑk/. The first word "most" represents the superlative form of "more" and is pronounced as /moʊst/. The second word "peacock" is a noun that refers to a large colorful bird and is pronounced as /ˈpipˌkɑk/. Together, the phrase means "the most peacock-like" or "the most flamboyant." It is important to spell words accurately in order to communicate effectively and avoid misunderstandings.