What is another word for lake bed?
Pronunciation: [lˈe͡ɪk bˈɛd] (IPA) 
The term lake bed refers to the bottom of a lake, where sediment and debris settle. Synonyms for this term include lake basin, lake floor, lake bottom, and lakebed. The lake basin refers to the natural depression in the ground where water accumulates to form a lake. Lake floor and lake bottom are simplistic terms that refer to the lowest point of a lake, where sediment and debris collect. Lakebed is another synonym, which specifically describes the bottom layer of sediment in a lake. These synonyms are frequently used by geologists, environmental scientists, and researchers studying the impact of water bodies on the environment.
