A map showing sea-floor depths.
a map showing depth contours in a water body. Bottom contours are usually presented as lines of equal depth, in meters or feet.
A bathymetric map is a map of the bottom of a body of water, noting the depth contours (these are called isobaths).
A map that shows the contours of the bottom of a body of water.
A chart of ocean floor depths, similar to topographic maps on land.
a map of the bottom of the ocean, with water depths indicated by contours that join points of equal water depth
A map showing the bottom contours (shape) and depth of a lake.