10 entries under idiom topic. ×

5
ocean bottom(noun, expression)
5
ocean floor(noun, expression)
4
sea bottom(noun, expression)
1
abyssal zone
0
bathyal district
0
bathyal zone
0
bottom of the ocean(noun, expression)
0
continental shelf
0
continental slope
0
sea bed
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APASmart Define. (2015). seabed thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/seabed/thesaurus/synonyms
ChicagoSmart Define. 2015. "seabed thesaurus" https://smartdefine.org/seabed/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, seabed thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/seabed/thesaurus/synonyms>.
MLASmart Define. "seabed thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/seabed/thesaurus/synonyms>