Definition

1. Proper noun:
   • A major river in Canada: The Mackenzie is a Canadian river system, the longest in Canada, which flows northwest into the Beaufort Sea in the Arctic Ocean.
   • A surname of a notable explorer: Mackenzie refers to Sir Alexander Mackenzie, a Scottish-Canadian explorer known for his overland journeys across North America.

Usage Examples

• As a geographical feature:

  • The Mackenzie River basin is a vast and ecologically significant region.
  • They embarked on a research expedition down the Mackenzie.

• Referring to the person:

  • The explorations of Mackenzie were crucial for mapping Canada's interior.
  • A statue commemorates Mackenzie in several Canadian cities.

Advanced Usage

• "Mackenzie River": The full, specific name for the river, often used to distinguish it from other uses of "Mackenzie."

  • The Mackenzie River delta is a critical habitat for migratory birds.

• Historical Context: The name is used attributively to describe things related to the explorer or the river.

  • The Mackenzie expedition faced extreme hardships.
  • The Mackenzie Valley is a key area for natural resources.

Variants and Related Words

• Mackenzie River (n): The specific river system.
• Mackenzie Mountains (n): A mountain range in northwestern Canada, part of the Rocky Mountains, named after the river.

Synonyms

• River system (for the geographical feature): A general term, but not a direct synonym.
• Explorer, pathfinder (for the person): General terms for someone who explores unknown regions.

Notes on Meaning

This word is almost exclusively used as a proper noun. Its meaning is entirely dependent on context: 1. In a geographical or environmental context, it refers to the river. 2. In a historical or biographical context, it refers to the explorer, Sir Alexander Mackenzie.

The two primary meanings are connected, as the explorer is famous for his journey to the river that now bears his name.

Noun

1. a Canadian river; flows into the Beaufort Sea
2. Canadian explorer (born in England) who explored the Mackenzie River and who was first to cross North America by land north of Mexico (1764-1820)