/chek"awf', -of'/ , n.
1. the collection of union dues by employers through compulsory deduction from each worker's wages.
2. a voluntary contribution from one's income tax for a specific purpose, as the public financing of election campaigns, made by checking off the appropriate box on a tax return.
3. Football. audible (def. 2).
[ 1910-15, Amer.; n. use of v. phrase check off ]