What does "chatterbox" mean?

One who chats or talks to excess.

What is a synonym for "chatterbox"?

Common synonyms include: babbler, babbler, chatterer, chatterer, prater, agreeable rattle.

Pronounced //ˈtʃæ.tə(ɹ)ˌbɒks//.

//ˈtʃæ.tə(ɹ)ˌbɒks// noun, slang

noun, slang ·Common ·High school level

Noun

1
One who chats or talks to excess. informal
"[S]he [Edwina, mother of Tennessee Williams] was indeed Amanda [Wingfield, character in Williams' play The Glass Menagerie] in the flesh: a doughty chatterbox from Ohio who adopted the manner of a Southern belle and eschewed both drink and sex to the greatest extent possible."
2
an obnoxious and foolish and loquacious talker wordnet
3
Synonym of cootie catcher (“children's fortune-telling device”).
4
orchid growing along streams or ponds of western North America having leafy stems and 1 greenish-brown and pinkish flower in the axil of each upper leaf wordnet
5
Synonym of chatterbot.