Bible Dictionary
TEAT
“Teat” is an older rendering of words that ordinarily mean breast or bosom. In the cited passages, the language is either figurative of Israel’s immoral alliances or describes mourning by striking the breasts.
Biblical Usage
In Ezekiel, the language of breasts is figurative of Israel’s inclination to tolerate and participate in the idolatry of neighboring peoples. In Isaiah, striking the breasts means mourning and grieving in the conspicuous manner associated with Oriental women.