Meaning of the word "sea level" in English

What does "sea level" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sea level

US /ˈsiː ˌlev.əl/
UK /ˈsiː ˌlev.əl/
"sea level" picture

Noun

1.

the average height of the sea's surface, used as a standard reference point for measuring altitudes and depths on Earth

Example:
Mount Everest is 8,848 meters above sea level.
Many coastal cities are threatened by rising sea levels.
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