Noun natrix has 1 sense
  1. Natrix, genus Natrix - water snakes; a cosmopolitan genus
    --1 is a kind of reptile genus
    --1 is a member of Colubridae, family Colubridae
    --1 has members:
     common water snake, banded water snake, Natrix sipedon, Nerodia sipedon; water moccasin
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