benthos benthonic • Bentincks · · · Info · Definitions · Synonyms · Characters · · benthos · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a region including the bottom of the sea and the littoral zones. Synonyms: benthic division, benthonic zone. · · Noun Definition 1 (noun) organisms (plants and animals) that live at or near the bottom of a sea. · · Noun Definition 2 Synonyms · · · benthic division · · Synonym 1 benthonic zone · · Synonym 2 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074