expert, learned person, doctor, PhD, Dr., instructor at the imperial court (ritsuryō period), pitch and length marks (to accompany a Buddhist liturgical chant, etc.)
博士【はくし】
doctor, PhD, Dr.
博覧会【はくらんかい】
fair, exhibition, exposition
国立博物館【こくりつはくぶつかん】
national museum
博物【はくぶつ】
natural history, wide learning, broad area of learning
博愛【はくあい】
charity, benevolence, philanthropy, (love for) humanity, fraternity, brotherhood, brotherly love, love of fellow man