Wiktionary
call-by-name
alt. (context programming English) An http://en.wikipedia.org/wiki/Evaluation%20strategy whereby an argument to a function is evaluated each time its value is used in the function, and is not evaluated at all if its value is never used. n. (context programming English) An http://en.wikipedia.org/wiki/Evaluation%20strategy whereby an argument to a function is evaluated each time its value is used in the function, and is not evaluated at all if its value is never used.