What is the meaning of zilch?

noun

8
 
|7 years ago|1.1k views|share |citing 
APAWordNet. (2010). zilch. Retrieved June 24, 2018, from http://smartdefine.org/zilch/definitions/1321997
ChicagoWordNet. 2010. "zilch" http://smartdefine.org/zilch/definitions/1321997 (accessed June 24, 2018).
HarvardWordNet 2010, zilch, Smart Define, viewed 24 June, 2018, <http://smartdefine.org/zilch/definitions/1321997>.
MLAWordNet. "zilch" 23 October 2010. Web. 24 June 2018. <http://smartdefine.org/zilch/definitions/1321997>