Definitions

1. noun

A ridge of rocks, coral, or sand rising above the surface of the sea, typically located near the shore and providing a habitat for a variety of marine life.

“The snorkeler swam over the colorful coral reef, admiring the diverse fish species.”

2. noun

A submerged or partially submerged ridge of rock, sand, or coral, used as a navigational hazard or a source of fishing grounds.

“The ship’s captain carefully navigated the reef, avoiding the shallow waters that could cause damage.”

3. verb

To cause (a ship) to run aground on a reef or to scrape against it.

“The stormy weather forced the sailors to reef their sails to avoid further damage.”