Definition of Reef

a ridge of material at or near the surface of the ocean

Examples of Reef in a sentence

The small reef will either scatter into the sand or the ridge will grow stronger overtime.  🔊

Reef fish and critters seamlessly glide their way through the ridge of ocean material throughout the day.  🔊

Some ocean ridges are so large that even a human can stand on part of the reef.  🔊

Ocean animals help build the ridged coral reef through the shedding of their exoskeletons.  🔊

Because an ocean reef grows upward, the oldest of the piled material can be found on the bottom of the mound.  🔊

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