seabed

noun

sea·​bed ˈsē-ˌbed 

variants or less commonly sea bed

plural seabeds also sea beds

: the floor of a sea or ocean : seafloor

This atoll is the summit of an undersea volcano that rises from the seabed 10,000 feet below the surface.

—Kennedy Warne

Examples of seabed in a Sentence

Recent Examples on the Web

Today, the few remaining towns sit quiet along the former seabed of the Aral — technically classified as a lake, due to its lack of a direct outlet to the ocean, though residents and officials call it a sea. —Victoria Milko, Quartz, 8 Feb. 2024

There has been little high-resolution seabed mapping, which would help scientists identifying potential lionfish habitats and anticipate where lionfish might spread next or concentrate their populations. —Osmar J. Luiz, The Conversation, 1 June 2023

Word History

First Known Use

1838, in the meaning defined above

Phrases Containing seabed

• the seabed

Kids Definition

seabed

noun

sea·​bed ˈsē-ˌbed 

: the floor of a sea or ocean