Definitions

1. noun

A person who is a pioneer in a particular field or activity.

“Thor Heyerdahl was a Norwegian anthropologist and explorer who is best known for his Kon-Tiki expedition.”

2. proper noun

A Norwegian anthropologist and explorer, best known for his Kon-Tiki expedition.

“Thor Heyerdahl’s book about his Kon-Tiki expedition is a classic of modern anthropology.”