chuckling

/CH AH1 K L IH0 NG/
verb
  1. 1

    To laugh quietly or inwardly.

  2. 2

    To communicate through chuckling.

    โ€œShe chuckled her assent to my offer as she got in the car.โ€

  3. 3

    To make the sound of a chicken; to cluck.

  4. 4

    To call together, or call to follow, as a hen calls her chickens; to cluck.

  5. 5

    To fondle; to indulge or pamper.

noun
  1. 1

    (gerund of chuckle) An instance in which someone chuckles

Source: https://en.wiktionary.org/wiki/chuckle, https://en.wiktionary.org/wiki/chuckling