Third-person singular simple present indicative form of underwire. (verb)
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Use "underwires" in a sentence
"Among the hints that R&P offer: there's no such thing as a definitive bra size, the back of your bra should hug the narrowest part of your back and be at the same level as the front, underwires should curve snugly around your breasts and never cut into them."
"Among all the programs and groups dedicated to keeping teens from finding out how awesome sex is, none of them have had the underwires to take on masturbation, which is like the trailer for sex that's ultimately better than the movie."
"Also, I am a non-fan of underwires, which annoys me because all the cutesy V-day bras at WalMart have underwire."