Giggle

Part of speech: noun (n.)

A kind of laugh, with short catches of the voice or breath; a light, silly laugh.

Part of speech: verb (v.)

To laugh with short catches of the breath or voice; to laugh in a light, affected, or silly manner; to titter with childish levity. Giggling and laughing with all their might At the piteous hap of the fairy wight. J. R. Drake.