sea fan

1. 1.

   corals having a treelike or fan-shaped horny skeleton

   Broadergorgonian

Questions about sea fan

What does sea fan mean?

sea fan means "corals having a treelike or fan-shaped horny skeleton".

Is sea fan a common word?

sea fan is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.