The word "RETONSOR" refers to a type of medieval cleric's tonsure, when only the hair at the top of the head was shaved. The IPA phonetic transcription for this word is /rɛˈtɒnsɔr/. The first syllable, "re," is pronounced with a short "e" sound, followed by the stressed syllable "ton," pronounced with a long "o" sound. The final syllable, "sor," is pronounced with a short "o" sound. The spelling of the word "RETONSOR" is uncommon and can be confusing for those unfamiliar with it.