crimson tide
The term "crimson tide" is notably associated with the University of Alabama's sports teams and also describes a natural phenomenon and a euphemism for menstruation.
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Definition
B2Sports
(informal, regional)The nickname for the athletic teams of the University of Alabama, especially the football team.
Example
- The Crimson Tide won the national championship last year.
C1Biology
(technical)A deep red sea event caused by algae that can change the color of the water and may produce harmful toxins.
Example
- Scientists are studying the impact of the crimson tide on marine ecosystems.
B2Colloquial
(informal, euphemism)A slang term for menstruation.
Example
- She's riding the crimson tide this week.