Esker and Flat

Esker noun - (geology) a long winding ridge of post glacial gravel and other sediment; deposited by meltwater from glaciers or ice sheets.

Flat is an antonym for esker in raised part of solid topic.

Flat noun - A room or set of rooms in a private house or a block used as a separate dwelling place.

Esker is an antonym for flat.

Nearby Words: flatter, flatly, flatness, flatlet, flatting