Webster’s Revised Unabridged Dictionary · 1913
Chuckle
Chuc′kle (chŭk′k'l), v. t. [imp. & p. p. Chuckled; p. pr. & vb. n. Chuckling.] [From 1st Chuck.]
1. To call, as a hen her chickens; to cluck. [Obs.] Dryden.
2. To fondle; to cocker. [Obs.] Dryden.
Chuc′kle, n. A short, suppressed laugh; the expression of satisfaction, exultation, or derision.
Chuc′kle, v. i. [From 1st Chuck.] To laugh in a suppressed or broken manner, as expressing inward satisfaction, exultation, or derision.