Meaning

3 senses
  1. A European fifteen-spined stickleback, a fish of species Spinachia spinachia (syn. Gasterosteus spinachia).

  2. A tanglefish, or greater pipefish (Syngnathus acus).

  3. (obsolete)A sea serpent.

Origin

From sea + adder. Compare Old English mere-næddra (“sea-adder, lamprey”).

From sea + adder. Compare Old English mere-næddra (“sea-adder, lamprey”).

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sea adder — meaning, examples, forms, synonyms | Krumeto