Definition

1. Noun:
   • A European variety of beaver: The term "old world beaver" refers specifically to the Eurasian beaver (Castor fiber), a species of beaver native to Europe and parts of Asia, historically distinct from the North American beaver.

Usage Examples

• Noun:
  • Conservation efforts have successfully reintroduced the old world beaver to many of its former habitats.
  • The old world beaver has a slightly narrower skull and shorter nasal bones compared to its North American cousin.

Advanced Usage

• In scientific/zoological contexts: The term is used to precisely distinguish the Eurasian species () from the North American beaver () in discussions of biology, ecology, or conservation.
  • The study compared the dam-building behaviors of the old world beaver and the North American beaver.

Variants and Related Words

• Eurasian beaver (n): The more common modern scientific name for the same species.
  • The Eurasian beaver is making a remarkable comeback across Europe.
• Castor fiber (n): The Latin binomial nomenclature for the species.
  • Castor fiber was once hunted to near extinction for its fur and castoreum.

Synonyms

• Eurasian beaver: The direct synonym.
• European beaver: A less precise but occasionally used synonym.

Notes on Meaning

• The term "old world beaver" is primarily a historical or descriptive common name. In modern scientific and conservation writing, "Eurasian beaver" is the preferred term. The phrase explicitly contrasts with "New World beaver," which refers to the North American species.

Noun

1. a European variety of beaver