titters
verbUK /ˈtɪtəz/
US /ˈtɪtərz/
Laughs in a small, quiet, silly way.
The kids tittered when the teacher made a funny face.
OTHER MEANINGS
2. Small, quiet laughs.
A few titters came from the back of the room.
3. Makes short, light sounds like a bird.
The little bird titters in the tree.
4. Laughs in a nervous or shy way.
She tittered softly when she forgot her line.