The definition of a chortle is a chuckle or breathy, gleeful laugh.(noun)
The breathy laugh you make when someone is tickling you is an example of a chortle.
To chortle is to laugh in a breathy and joyful way.(verb)
When someone is tickling you and you make a snorting chuckle sound, this is an example of a time when you chortle.
See chortle in Webster's New World College Dictionary
Origin: coined by Lewis Carroll in Through the Looking Glass, prob. chuckle + snort
See chortle in American Heritage Dictionary 4
Origin: Blend of chuckle
Origin: and snort.
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