Definition of racerback in English:

racerback

noun

  • [as modifier] Denoting an article of clothing, typically a singlet, swimsuit, or bra, in which the shoulder straps are joined between the shoulder blades:

    ‘a racerback tee’
    • ‘Larger breasted women usually prefer racerbacks or T-backs because they offer more support.’
    • ‘Some dancers make their own alterations to make their leotard more appealing - cut the back, pinch the neckline, turn tanks into racerbacks, and even use dye to get the perfect color.’
    • ‘Also, consider racerback tops with a high Lycra content, as they are the most comfortable and supportive for larger bust sizes.’

Pronunciation:

racerback

/ˈreɪsəbak/