CHORTLE
chortle, chuckle
(noun) a soft partly suppressed laugh
chuckle, chortle, laugh softly
(verb) laugh quietly or with restraint
Source: WordNet® 3.1
Etymology
Noun
chortle (plural chortles)
A joyful, somewhat muffled laugh, rather like a snorting chuckle.
A similar sounding vocalisation of various birds.
Synonyms
• chuckle
Verb
chortle (third-person singular simple present chortles, present participle chortling, simple past and past participle chortled)
(intransitive) To laugh with a chortle or chortles.
Synonyms
• chuckle
• See also laugh
Source: Wiktionary
Chor"tle, v. t. & i. [imp. & p. p. Chortled; p. pr. & vb. n.
Chor"tling.]
Definition: A word coined by Lewis Carroll (Charles L. Dodgson), and
usually explained as a combination of chuckle and snort. [Humorous]
O frabjous day ! Callooh ! Callay !
He chortled in his joy.
Lewis Carroll.
Source: Webster’s Unabridged Dictionary 1913 Edition