'Assembly' in the Bible

And I commend you to Phebe our sister -- being a ministrant of the assembly that is in Cenchrea --

and the assembly at their house; salute Epaenetus, my beloved, who is first-fruit of Achaia to Christ.

salute you doth Gaius, my host, and of the whole assembly; salute you doth Erastus, the steward of the city, and Quartus the brother,