What does 博士 mean?
博士 is a Japanese noun meaning “doctorate, PhD., doctor” in English. It can also be translated as “doctor, instructor at the imperial court (ritsuryō period), pitch and length marks (to accompany a Buddhist liturgical chant, etc.)” depending on context. It is written as 博士 in kanji, はかせ in hiragana, and hakase in romaji. This word is part of JLPT N3 vocabulary.