an arm of the Atlantic Ocean between North and South America; the origin of the Gulf stream
"The warm waters of the Caribbean flow into the Gulf Stream, which then carries heat up along the eastern coast of North America."
region including the Caribbean Islands
"The cruise ship spent three days exploring the vibrant culture and beaches of the Caribbean."
A person native to the Caribbean region
"The caribbean chef shared his traditional recipes at the local festival."
In plain English: Caribbean is another word for someone who lives near the Caribbean Sea, which is located between North and South America.
"The famous Caribbean is known for its beautiful beaches and warm waters."
Pertaining to the sea and region of the western Atlantic bounded by South America, Central America, and the islands of the West Indies (such as Cuba and Hispaniola).
"The caribbean waters are known for their turquoise hues and warm currents."
In plain English: Caribbean describes anything related to the islands and waters located between North, Central, and South America.
"They plan to spend their summer vacation on a Caribbean island."
The Caribbean Sea
"The captain steered the ship toward the calm waters of the Caribbean."
The word Caribbean comes from the name of the Carib or Caribe people who inhabited the West Indies. It entered English with the addition of the suffix "-an" to form an adjective describing that region.