Simple Definition of sea anemone

from our Learner's Dictionary

sea anemone

noun

plural sea anemones
: a small, brightly colored sea animal that looks like a flower and sticks to rocks, coral, etc.

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“Sea anemone.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/sea%20anemone. Accessed 21 Jun. 2026.

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