Noun
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. a voluntary gift (as of money or service or ideas) made to some worthwhile cause
3. act of giving in common with others for a common purpose especially to a charity
4. an amount of money contributed;
"he expected his contribution to be repaid with interest"5. a writing for publication especially one of a collection of writings as an article or story