Contribution definition

(1) Any one of a number of individual efforts in a common endeavor

"I am proud of my contribution to the team's success"

"They all did their share of the work"

(2) Act of giving in common with others for a common purpose especially to a charity

(3) A writing for publication especially one of a collection of writings as an article or story

(4) An amount of money contributed

"He expected his contribution to be repaid with interest"

(5) A voluntary gift (as of money or service or ideas) made to some worthwhile cause