Meaning

5 senses
  1. A water mocassin (Agkistrodon piscivorus), a venomous aquatic snake of North America.

  2. Any of species Natrix natrix of non-venomous European snakes.

  3. Any aquatic snake, such as:

    A northern water snake (Nerodia sipedon), a non-venomous American snake.

  4. A crab-eating water snake or white-bellied mangrove snake (Fordonia leucobalia), a venomous snake of south Asia.

  5. Used other than figuratively or idiomatically: see water, adder.

Origin

From Middle English water addre, watyradyr, watir edyr, alteration (see adder) of water ne

From Middle English water addre, watyradyr, watir edyr, alteration (see adder) of water neddyr, watyrnedyre, from Old English wæternædre, wæternǣdre, equivalent to water + adder. Cognate with Dutch wateradder (“wateradder”), German Wassernatter (“watersnake”).

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