Noun
plunging neckline (plural plunging necklines)
A (very) low-cut neckline, found on some dresses and other garments.
It was W. C. Fields who hated to appear in the same scene with a child, a dog, or a plunging neckline - because nobody in the audience would be looking at him. Jennifer Aniston has the same problem in this movie even when she's in scenes all by herself. Roger Ebert
My big break came the next year with Bitter Sweet, starring Anna Neagle. I had a dress with a plunging neckline. Noël Coward said he could see the White Cliffs of Dover and I felt devastated. If you're blind, you'll miss me in that one. Noël Coward
Her bountiful cleavage was exposed from nearly every angle thanks to the number’s plunging neckline and minuscule, semi-sheer cups, resulting in a scandalous display of cleavage and sideboob that gave the snap a seriously seductive vibe. Source: Internet
It combines a plunging neckline, sequin embellishment and figure-hugging fit to create an ultra-glamorous aesthetic that screams ‘party’! Source: Internet
Americans know Alexander McQueen mainly through the wedding dress his design firm created after his death for Kate Middleton, a gown demure except for its plunging neckline. Source: Internet
It had a plunging neckline that provided fans with an eyeful of her perky assets. Source: Internet