a thick, solid piece of something:huge chunks of masonry littered the street
[in singular] a significant amount of something:she invested a chunk of her inheritance in the stock market
Computing a section of information or data.
1North American divide (something) into chunks:chunk four pounds of pears
informal throw (something):chunk a piece of wood on the fire, will you?
2(in psychology or linguistic analysis) group together (connected items or words) so that they can be stored or processed as single concepts:pupils are able to chunk phrases or propositions into units (as noun chunking)the chunking of information
Computing divide (data) into separate sections:to prepare hypertext, information is chunked into small, manageable units
late 17th century: apparently an alteration of chuck3