What does "fin whale" mean?

A whale of the rorqual family (Balaenoptera physalus).

What is a synonym for "fin whale"?

Common synonyms include: balaenoptera physalus, common rorqual, finback, finback whale.

noun

noun ·Rare ·Advanced level

Noun

1
A whale of the rorqual family (Balaenoptera physalus).
"The fin whale is a fast swimmer (around 30km/h) and generally lives in small groups numbering around five."
2
large flat-headed whalebone whale having deep furrows along the throat; of Atlantic and Pacific wordnet

"The fin whale is a fast swimmer (around 30km/h) and generally lives in small groups numbering around five."