To make shallow; decrease the depth of.
To become shallow; decrease in depth: as, the water shallows rapidly as one approaches the bar.
Not deep; of little depth: as, a shallow brook; a shallow place; a shallow vessel or dish.
Not deep intellectually; superficial: as, a shallow person; a shallow mind.
noun.
A place where the water is not deep; a shoal; a shelf; a flat; a bank.
noun.
The rudd, a fish.