(~s)
1.
You can refer to the general shape or outline of an object as its ~s. (LITERARY)
...the texture and colour of the skin, the ~s of the body...
N-COUNT: usu pl, usu with supp, oft N of n
2.
A ~ on a map is a line joining points of equal height and indicating hills, valleys, and the steepness of slopes.
...a ~ map showing two hills and this large mountain in the middle.
N-COUNT