Definition of "Gain" :
noun: the amount of increase in signal power or voltage or current expressed as the ratio of output to input
noun: the advantageous quality of being beneficial
noun: the amount by which the revenue of a business exceeds its cost of operating
noun: a quantity that is added
"They recorded the cattle's gain in weight over a period of weeks."
verb: increase (one's body weight)
"She gained 20 pounds when she stopped exercising."
verb: increase or develop
"The peace movement gained momentum."
verb: rise in rate or price
"The stock market gained 24 points today."
verb: obtain advantages, such as points, etc.
"The home team was gaining ground."
verb: reach a destination, either real or abstract
verb: win something through one's efforts
"Gain an understanding of international finance."
verb: earn on some commercial or business transaction; earn as salary or wages
verb: derive a benefit from
verb: obtain