What is 'capacità raso bocca' when translated from Italian to English?

"Overflow capacity" is one English equivalent of the Italian phrase capacità raso bocca.

Specifically, the feminine noun capacità is "capacity." The masculine adjective/noun/pronoun raso means "brim." The feminine noun bocca translates literally as "mouth" and "(bottle) lip, mouth, opening, tip."

The pronunciation will be "ka-PA-tchee-TA RA-so BOK-ka" in Italian.
"Overflow capacity" is one English equivalent of the Italian phrase capacit