plural noun

: a family of whalebone whales that comprise the rorquals and humpbacks and are distinguished from the right whales by the dorsal fin, gular folds, and short whalebone

Word History


New Latin, from Balaenoptera, type genus + -idae

First Known Use

circa 1925, in the meaning defined above

Time Traveler
The first known use of Balaenopteridae was circa 1925

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Dictionary Entries Near Balaenopteridae

Cite this Entry

“Balaenopteridae.” Dictionary, Merriam-Webster, Accessed 17 Jun. 2024.

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