Free dictionary online: translation in English, Spanish, French, Italian, Chinese, Russian, definitions, synonyms...
bathylimnetic 
  adj (of an organism) living in the depths of lakes and marshes 

Add your entry in the Collaborative Dictionary.

"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"