The correct spelling of the word is "seachoice" /siːtʃɔɪs/. The word is a combination of "sea" and "choice," implying the selection of the best product for marine activities. The "sea" in the word is pronounced as /siː/ with a long vowel sound, and "choice" sounds /tʃɔɪs/ with a soft ch sound. The phonic breakdown of the word makes it easy to spell, and it's essential to use accurate pronunciation when mentioning the word in conversation.