e/Beaver dam

Information
has gloss	eng: Beaver dams are created as a protection against predators, such as coyotes, wolves and bears, and to provide easy access to food during winter. Beavers always work at night and are prolific builders, carrying mud and stones with their fore-paws and timber between their teeth. Beavers can rebuild primary dams overnight, though they may not defend secondary dams as vigorously.
lexicalization	eng: beaver dam
instance of	(noun) beavers family Castoridae, Castoridae