<p><strong>Noun</strong></p><ul><li>a thick mass or lump of anything: a chunk of bread; a chunk of firewood.</li><li>a small, close group or cluster, especially of trees or other plants.</li><li>a small wad or ball of wax, paper, etc., for throwing, shooting, or the like.</li><li>a substantial amount of something: Rent is a real chunk out of my pay.</li><li>a thick-set and strong person.</li><li>a strong and stoutly built horse or other animal.</li></ul><p><strong>Verb</strong></p><ul><li>to cut, break, or form into chunks: Chunk that wedge of cheese and put the pieces on a plate.</li><li>to remove a chunk or chunks from (often followed by out): Storms have chunked out the road.</li><li>to form, give off, or disintegrate into chunks: My tires have started to chunk.</li></ul>