A place in a body of water where the water is not deep; a shoal; a flat; a shelf.
To become shallow, as water.
a stretch of shallow water
lacking physical depth; having little spatial extension downward or inward from an outer surface or backward or outward from a center; "shallow water"; "a shallow dish"; "a shallow cut"; "a shallow closet"; "established a shallow beachhead"; "hit the ball to shallow left field"
not deep or strong; not affecting one deeply; "shallow breathing"; "a night of shallow fretful sleep"; "in a shallow trance"
lacking depth of intellect or knowledge; concerned only with what is obvious; "shallow people"; "his arguments seemed shallow and tedious"
a thin wine with little sensation in the mouth
Any depth of water less than 2 meters deep.
Shallow means not very deep. It can be quite advantageous, e.g. a shallow pool is safe for swimming and a shallow ore is easy to mine.