[chuhk-uh
l] 
verb, chuck⋅led, chuck⋅ling, noun | 1. | to laugh softly or amusedly, usually with satisfaction: They chuckled at the child's efforts to walk. |
| 2. | to laugh to oneself: to chuckle while reading. |
| 3. | Obsolete. to cluck, as a fowl. |
| 4. | a soft laugh, usually of satisfaction. |
| 5. | Obsolete. the cluck of a hen. |
| chuck·le (chŭk'əl) intr.v. chuck·led, chuck·ling, chuck·les
[Probably frequentative of chuck3.] chuck'ler n., chuck'le·some adj., chuck'ling·ly (-lĭng-lē) adv. |