The word "Drillbow" is not a commonly used word, but it can be spelled using phonetic transcription. The IPA phonetic transcription of the word is /drɪlboʊ/. The first syllable, "dril," is pronounced with a short "i" sound and an "l" sound. The second syllable, "bow," is pronounced with a long "o" sound and a "w" sound. The word "Drillbow" could possibly refer to a tool or instrument that combines elements of a drill and a bow, but without context, it is difficult to determine its exact meaning.