A thick, solid piece of something broken off from a larger piece, like a chunk of chocolate or ice.
Origin uncertain, possibly from Middle English or dialectal roots; may be related to Scottish 'chack' or Old English words for thick pieces; first appeared in American English in the 1600s.
The word 'chunk' became popular in American English and computing—we now talk about 'chunking' information, which means breaking large amounts of data into smaller, digestible pieces your brain can actually remember.
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