The word "vising" is not a common spelling in English. It is possible that the intended word is "vicing," which is pronounced /ˈvɑɪsɪŋ/ (vai-sing) in IPA phonetic transcription. The -ing ending indicates a present participle, meaning the word is a verb indicating a current action. "Vicing" is often used in the context of mechanical engineering, referring to the process of holding a rotating object in place using a vise or similar tool.