noun

beaver

beaver

A beaver builds dams in the river.

A beaver builds dams in the river.

He is an eager beaver at work.

He is an eager beaver at work.

((a/the)) beaver (animal) a large rodent that builds dams A beaver builds dams in the river.

((an)) eager beaver (idiom) a very hardworking person He is an eager beaver at work.

Synonyms: (animal) none common; (eager beaver) hard worker, go-getter

From Old English 'beofor', related to the word for 'brown'.

Picture a beaver busily building a dam. 'B' for beaver, 'b' for builds.

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