chuck·le 
(chŭkəl)
(chŭkəl)intr.v. chuck·led, chuck·ling, chuck·les
1. To laugh quietly or to oneself.
2. To cluck or chuck, as a hen.
n.
A quiet laugh of mild amusement or satisfaction.
[ Probably frequentative of CHUCK3.]
chuckler n.
chuckle·some adj.
chuckling·ly (-lĭng-lē) adv.
- apotropaically
- app
- APP
- Appalachia
- Appalachian
- Appalachian dulcimer
- Appalachian Mountains
- Appalachian Trail
- appall
- appalling
- appallingly
- Appaloosa
- appanage
- apparat
- apparatchik
- apparatus
- apparel
- apparent
- apparent horizon
- apparently
- apparent magnitude
- apparentness
- apparent temperature
- apparition
- apparitional