1. (

• contribution ,
• part ,
• share ,

) the effort contributed by a person in bringing about a result; "I am proud of my contribution in advancing the project"; "they all did their share of the work" ;

2. (

• contribution ,
• donation

) a voluntary gift (as of money or service or ideas) made to some worthwhile cause ;

3. (

• contribution ,
• donation

) act of giving in common with others for a common purpose especially to a charity ;

4. (

• contribution ,

) an amount of money contributed; "he expected his contribution to be repaid with interest" ;

5. (

• contribution ,

) a writing for publication especially one of a collection of writings as an article or story ;