The spelling of the word "wast vertical" might appear confusing at first glance, but it's actually straightforward in terms of IPA phonetic transcription. The word is pronounced as /wɑːst ˈvɜːrtɪkəl/, with the stress on the second syllable. "Wast" is a variant spelling of "west", while "vertical" refers to an object or line that is perpendicular to the ground. So, when combined, "wast vertical" is simply a descriptive term that means a vertical object or line in the westward direction.