Dictionary

gainer en · NOUN

From gain + -er. Compare German Gegner (“opponent, adversary”).

One who gains a profit or advantage.
- Let every youth take a leaf out of my book and make it a point to account for everything that comes into and goes out of his pocket, and like me he is sure to be a gainer in the end. 1925-29, Mahadev Desai (translator), M.K. Gandhi, The Story of My Experiments with Truth, Part I, chapter xvi
- … it is obvious that the Californian heiress is not the only gainer by an alliance which will enable her to make the easy and common transition from a Republican lady to a British peeress. 1892, Sir Arthur Conan Doyle, “The Noble Bachelor”, in The Adventures of Sherlock Holmes, HTML edition, The Gutenberg Project, published 2011:
- Thus, after eighteen months of fantastic and ruinous warfare, the companies had come to their senses and agreed to do what they might have done at the start; the only gainers were the passengers who had been carried at ridiculously uneconomic fares. 1956 January, M. D. Greville, “Scottish Railways in 1856”, in Railway Magazine, page 53:
One who puts on weight.
(slang) A diving or gymnastics maneuver, from a high diving board or platform, involving a simultaneous inversion and rotation.
- I tried a full gainer with a twist, the way he did it, but succeeded only in smacking the water with my thighs. 1961, Stanisław Lem, chapter 4, in Return from the Stars:
- Wiener went up so fast it did a gainer. 2015, David Spade, Almost Interesting: The Memoir, HarperCollins, →ISBN:

Spelling	Features	Labels	Source
gainers	Number=Plur		lexicographic