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

Definition of Balaenopteridae

  1. :  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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Origin and Etymology of balaenopteridae

New Latin, from Balaenoptera, type genus + -idae

First Known Use: circa 1925

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capable of being understood in two ways

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