Gains meaning : The act of gaining; acquisition. What is gained. The factor by which a signal is multiplied. To acquire possession of. To have or receive advantage or profit; to acquire gain; to grow rich; to advance in interest, health, or happiness; to make progress. To come off winner or victor in; to be successful in; to obtain by competition. To increase. To be more likely to catch or overtake an individual. To reach. To draw into any interest or party; to win to one's side; to conciliate. To put on weight. (of a clock or watch) To run fast. A square or bevelled notch cut out of a girder, binding joist, or other timber which supports a floor beam, so as to receive the end of the floor beam.