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Definitions from WordNet

Definitions from the Web

Baleen

Part of speech: Noun

Sense: A horny substance found in the mouths of baleen whales, used to strain food from water.

Usage: Popular

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Sample Sentences:

1. The baleen of a whale serves as a filtration system when it feeds.
2. A baleen whale can strain tons of water and food through its baleen plates.
3. The baleen is made of a protein called keratin, which also forms hair and fingernails in humans.
4. Researchers studied the growth patterns of baleen plates to estimate the age of whales.
5. Baleen is sensitive to changes in water temperature and can indicate the whale's health and stress levels.