noun
lake
LAYK/leɪk/
A large inland body of standing water.
A broad lake lies within wooded shores and low hills.

Etymology
Latin lacus could mean a basin or reservoir as well as a pond or lake. The shared image is water held in a depression—the natural basin that gives an inland lake its shape.
In context
water eroded rocks and soil cutting a gash in the landscape which allowed even more water to escape and what is now northern mexico was instantly pirated of its freshwater lake