archibenthos: Meaning and Definition of

ar•chi•ben•thos

Pronunciation: (är"ku-ben'thos), [key]
— n.
  1. the ocean bottom between the littoral and abyssal zones: from depths of approximately 200 ft. (60 m) to 3300 ft. (1000 m).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.