Noun rorqual has 1 sense
  1. rorqual, razorback - any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin
    --1 is a kind of baleen whale, whalebone whale
    --1 is a member of Balaenopteridae, family Balaenopteridae
    --1 has particulars:
     finback, finback whale, fin whale, common rorqual, Balaenoptera physalus; sei whale, Balaenoptera borealis; lesser rorqual, piked whale, minke whale, Balaenoptera acutorostrata
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