A "pedestal sink" refers to a bathroom sink that stands on its own, separate from a countertop or vanity. It typically consists of a sink basin mounted on a tall, slender base called a pedestal. Full definition
Saving the bathroom for last but can't wait to get that white pedestal sink in there! (theinspiredroom.net)
Gorgeous French style country cottage bathroom boasts beautiful gray marble subway tiles positioned behind a white pedestal sink fitted with a satin nickel faucet and a gold French accent table. (decorpad.com)
I'm not fond of pedestal sinks; they have their place, just not in my house! (domesticdeadline.com)