Definitions

1. noun

a French word for water, often used as a prefix to indicate a connection to water, or a chemical compound containing water.

“The eau de toilette is a scented water used for personal hygiene.”

2. proper noun

the name of a river, such as the Eau Claire River.

“The Eau Claire River flows through Wisconsin.”

3. interjection

an expression of surprise or excitement.

“Eau! What a beautiful view!”