baleen whale
US /ˈbeɪ.liːn ˌweɪl/
UK /ˈbeɪ.liːn ˌweɪl/
1.
a whale that has baleen plates in the mouth for filtering food from water, rather than teeth. Baleen whales include the humpback whale and the blue whale.
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The blue whale is the largest known baleen whale.
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Baleen whales feed by filtering small organisms from the water.