The spelling of the word "most helcoid" might seem confusing at first, but it can be broken down with the help of IPA phonetic transcription. The word is pronounced /moʊst ˈhɛlˌkɔɪd/, with the emphasis on the first syllable. "Most" is a commonly used word that means "the majority of." "Helcoid" is a less common term that refers to a spiral or curved shape. Together, "most helcoid" suggests that something is mostly spiral or curved in shape.