cetacean(redirected from cetaceous)
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Related to cetaceous: Sirenians
1. of, relating to, or belonging to the Cetacea, an order of aquatic placental mammals having no hind limbs and a blowhole for breathing: includes toothed whales (dolphins, porpoises, etc.) and whalebone whales (rorquals, right whales, etc.)
2. a whale
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