котлован înseamnă în Engleză

basin [basins]▼(rock formation scooped out by water erosion)
noun
[UK: ˈbeɪs.n̩] [US: ˈbeɪs.n̩]

excavation [excavations]▼(cavity formed by cutting, digging, or scooping)
noun
[UK: ˌek.skə.ˈveɪʃ.n̩] [US: ˌek.skə.ˈveɪʃ.n̩]