To chew or bite on noisily: a horse chomping oats. See Synonyms at bite.
To chew or bite on something repeatedly: chomping on a cigar.
The act or an instance of vigorous biting: "He finished the last of his sandwich with a single chomp” ( Anne Tyler).
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.