plural of mountain beaver

a number of mid-17th century wars fought over land and the fur trade in the Great Lakes region, which ended with the signing of the Great Peace of Montreal in 1701.

plural of beaver eater

(idiomatic, colloquial) One (especially a child) who is very excited or enthusiastic to begin a task; a person who is exceedingly assiduous in an enthusiastic manner

The lodge of a beaver, in the form of a river dam with an underwater entrance.

A species of beaver, Castor fiber, native to Eurasia.

The beaver Castor canadensis, native of North America.

plural of American beaver

plural of European beaver

(mathematics, computing theory) The mathematical function that maps each positive integer n to the number of steps required for the busy beaver among machines with two colors and n states to terminate.