Definition of T-back in English:
1.1A style of back on a bra or bikini top in which the shoulder straps meet a supporting lateral strap below the shoulder blades.
- Larger breasted women usually prefer racerbacks or T-backs because they offer more support.
- Just follow the advice given above, and soon you'll be wearing the T-back tank top.
Definition of T-back in:
- British & World English dictionary