plural noun
Bal·​ae·​nop·​ter·​i·​dae | \ -(ˌ)näpˈterəˌdē \

Definition of Balaenopteridae

: 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

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First Known Use of Balaenopteridae

circa 1925, in the meaning defined above

History and Etymology for Balaenopteridae

New Latin, from Balaenoptera, type genus + -idae

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The first known use of Balaenopteridae was circa 1925

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Cite this Entry

“Balaenopteridae.” Dictionary, Merriam-Webster, Accessed 6 Dec. 2021.

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