Balaenopteridae
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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