What is the meaning of Chunk?

A part of something that has been separated.

A representative portion of a substance, often large and irregular.

A sequence of two or more words that occur in language with high frequency but are not idiomatic; a bundle or cluster.

A discrete segment of a file, stream, etc. (especially one that represents audiovisual media); a block.

A segment of a comedian's performance.

To break into large pieces or chunks.

To break down (language, etc.) into conceptual pieces of manageable size.

To throw.

Deal a substantial amount of damage to an opponent.

Archaic form of chank (type of spiral shell).

Source: wiktionary.org