The word "ASTRARIUS" is spelled as /əˈstreɪriəs/ in IPA phonetic transcription. This word is derived from the Latin word "astrarius" which means an astrologer or astronomer. The spelling of this word is based on the English alphabet's pronunciation system. The first syllable "as" is pronounced as "uhz" while the second syllable "tra" is pronounced as "trei". The third syllable "ri" is pronounced as "ree" and the final syllable "us" is pronounced as "uhs". This word is commonly used in the context of astronomy and astrology.