a light, high-pitched laugh, especially when silly or nervous.
Sarah covered her mouth to hide her giggle.
The giggles of the children echoed through the playground.
✦ Mid-16th century: imitative of the sound produced when giggling, frequentative of dialect 'gigel' meaning 'top' (from its whirling motion suggesting laughter).
to laugh lightly in a silly, nervous, or childlike way.
The boy giggled when his friend made a funny face.
They giggled all the way home from the party.
