They are sometimes worn alone without a dress shirt or top shirt during very warm and/or humid weather, mainly in North America where the climate is warmer and more humid in the summer. Halter tops are worn mainly by girls and women. Definition of tank top.

a close-fitting, low-cut top having shoulder straps and often made of lightweight, knitted fabric.

tank top n a sleeveless upper garment with wide shoulder straps and a low neck, usually worn over a shirt, blouse, or jumper (C20: named after tank suits, one-piece bathing costumes of the 1920s worn in tanks or swimming pools)
News outlets printed a photo of Hartford in a stained undershirt and referred to him as "the wife beater." tank top meaning: 1. a piece of clothing that covers the upper part of the body but not the arms, and usually has a…. : a sleeveless collarless shirt with usually wide shoulder straps and no front opening. A Detroit native named James Hartford Jr. was arrested for beating his wife to death. tank top - a tight-fitting sleeveless shirt with wide shoulder straps and low neck and no front opening; often worn over a shirt or blouse shirt - a garment worn on the upper half of the body Translations In addition to athletic usage, tank tops have traditionally been used as undershirts, especially with suits and dress shirts. Tank tops are often worn alone under very casual settings, as lounge wear, and/or while completing yard work or other chores around the home.A halter top is a sleeveless shirt in which a strap goes around the back of the neck, leaving the upper back uncovered. … [British] 2. countable noun.

In the United States and Canada, it is commonly known as a tank top, tank shirt, muscle shirt, and also wifebeater, guinea tee, or dago tee ("guinea" and "dago" being American ethnic slurs for people of Italian ethnicity). A tank top is a knitted piece of clothing that covers the upper part of your body and has no sleeves . A tank top consists of a sleeveless shirt with low neck and different shoulder straps width. The term wifebeater reportedly became synonymous for an undershirt after a criminal case in 1947. A tank top is a soft cotton shirt with no sleeves, collar, or buttons .