Definition

Proper noun: * Guaira Falls: A historically significant, massive waterfall system that was located on the Paraná River, forming part of the border between Brazil and Paraguay. It was also known as the "Seven Falls" (Sete Quedas). The falls were submerged in 1982 following the completion of the Itaipu Dam reservoir.

Usage

• The term Guaira Falls is used as a proper noun to refer specifically to this former natural landmark. It is typically used in historical, geographical, or environmental contexts.
• It functions as the subject or object of a sentence, often accompanied by past-tense verbs.

Examples

• Guaira Falls was once among the most powerful waterfalls in the world by volume.
• Before its flooding, tourists traveled to see the magnificent Guaira Falls.
• The construction of the Itaipu Dam led to the deliberate drowning of Guaira Falls.

Advanced Usage

• Historical Reference: The term is now primarily used in a historical sense, as the physical falls no longer exist.
  • The loss of Guaira Falls is often cited in debates about environmental trade-offs for hydroelectric power.

Variants and Related Words

• Sete Quedas: The Portuguese name for the falls, meaning "Seven Falls."
• Salto del Guairá: The Spanish name for the falls.
• Itaipu Dam: The hydroelectric dam project whose reservoir inundated the falls.

Synonyms

• Seven Falls (Sete Quedas): The direct descriptive synonym for Guaira Falls.

Notes on Meaning

• The definition of Guaira Falls is singular and specific. It does not refer to waterfalls in general but only to this one lost landmark. Discussions about it often carry connotations of natural beauty lost to industrial development.

Noun

1. a great waterfall on the border between Brazil and Paraguay