| Answer | Crossword Clue |
|---|---|
| whalebone | elastic horny substance in the upper jaw of some whales |
| whalebones | An elastic horny substance that grows in a series of thin parallel plates in the upper jaw of some whales and is used by them to strain plankton from the seawater |
| baleen | elastic, horny substance growing in place of teeth in the upper jaw of certain whales, and forming a series of thin, parallel plates on each side of the palate; baleen |
| baleens | elastic, horny substance growing in place of teeth in the upper jaw of certain whales, and forming a series of thin, parallel plates on each side of the palate; baleen |
