benthonic zone

English Thesaurus

1. a region including the bottom of the sea and the littoral zones (noun.location)

hypernym	:	biogeographical region,
definition	:	an area of the Earth determined by distribution of flora and fauna (noun.location)

derivation	:	benthal, benthic, benthonic,
definition	:	of or relating to or happening on the bottom under a body of water (adj.pert)

derivation	:	benthal, benthic, benthonic,
definition	:	of or relating to or happening on the bottom under a body of water (adj.pert)