The word "bowl" refers to what is in it. AT: "poured out the wine from his bowl" or "poured out God's wrath from his bowl" (See: [[rc://en/ta/man/translate/figs-metonymy]])
This was an identifying mark that indicated that the person who received it worshiped the beast. See how you translated this in [Revelation 13:17](../13/15.md).