sea mouse

1. 1.

   any of several large worms having a broad flattened body with a mat of coarse hairs covering the back

   Broaderpolychaete

Questions about sea mouse

What does sea mouse mean?

sea mouse means "any of several large worms having a broad flattened body with a mat of coarse hairs covering the back".

Is sea mouse a common word?

sea mouse 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.