An item of casual clothing: a top with no sleeves. (noun)
The top of a ship's bilge tank, usually the lowest horizontal surface on board. (noun)
Examples of word tank top
As a large breasted woman, I can assure you that she was not just hanging out in a tanktop.
We all remember the jackbooted thugs, the zombified drones in their gray pajamas, the slo-mo Olympian in a tanktop hurling a hammer at the giant TV.
He saw Mallory standing in the doorway, inclined against the frame, wearing an unmemorable white tanktop, her dark brown hair fizzy and everywhere, and as a whole looking undefined by brands and stunningly herself.
Black hair hanging straight as a curtain to her bare shoulders, straps of her bra visible under a tanktop the color of a lime lollipop.
For some reason, I can always justify buying another tanktop because I can always "wear in under something."