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Spillway - Meaning, Definition & English Examples

A spillway is a structure built to allow controlled release of excess water from a dam or reservoir, preventing overflow and potential damage. It ensures safe water management during heavy rainfall or flooding.

spillway

/ˈspɪlˌweɪ/ /ˈspɪlweɪ/

Definition:

A channel for excess water to flow over or around a dam or other barrier.

Synonyms:

floodgate, overflow channel, weir, sluice

Part of Speech:

noun

Antonyms:

blockage, dam

Common Collocations:

dam spillway, emergency spillway, concrete spillway, spillway design, spillway gate

Derivatives:

spillways (plural), spilled (verb)

Usage Tips:

Use "spillway" to describe structures controlling water flow in dams or reservoirs to prevent flooding.

Common Phrases:

"overflow spillway, " "side-channel spillway, " "ogee spillway"

Etymology:

From "spill" (to flow over) + "way" (path), first recorded in the early 19th century.

Examples:

  • 1. The engineers built a spillway to manage the reservoir's water levels during heavy rains.
  • 2. The dam's spillway prevented flooding by diverting excess water downstream.
  • 3. A broken spillway can cause dangerous overflows and damage nearby areas.
  • 4. The new spillway design improves safety and efficiency for the hydroelectric plant.

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