Was meint der OED denn mit "recent use"?
One heart, one bed, two bosoms and one troth.
Shakespeare, A Midsummer-Night's Dream
"I ken how strong-hearted he is - I ken it,” she said, laying her hand on her bosoms.
Sir Walter Scott: The Heart of Mid-Lothian, 1858
And in consequence of the weight of her bosoms, she was forced to slightly stoop forward at every step, bending her waist exceedingly beautiful with three folds.
The Mahabharata, translated 1884
"He is beyond temptation," replied Agatha, the blood rushing to her cheeks and suffusing its crimson glow on her neck and shoulders, down to the very hemispheres of her bosoms.
George W. M. Reynolds, The Mysteries of the Court of London, 1863
She ran up the mountain trail, her hands over her bosoms which bobbed before her like two great pumpkins.
J.A. Phillips: How Beautiful the Sun on the Mountains, 1949