host (in whose house the meeting take place)/ innkeeper
By extension: the owners of the place. The owners of the place where the people assembled.
("Rabbi Nehemiah began with honor the host of the inn and gave a discourse" - Berakhot 63b, and also: "Because of the innkeeper's wife, she can cook and bake for the guests since they are like her own household, for indeed, it is necessary to feed them" - Arukh HaShulchan Yoreh De'ah Laws of Mourning section 351)
Translation
Expression (Hebrew)
בַּעַל הָאַכְסַנְיָה
Definition (Hebrew)
בְּהַשְׁאָלָה: הַבְּעָלִים שֶׁל הַמָּקוֹם. בַּעֲלֵי הַמָּקוֹם בּוֹ הִתְכַּנְּסוּ הָאֲנָשִׁים.
("פָּתַח רַבִּי נְחֶמְיָה בִּכְבוֹד אַכְסַנְיָה וְדָרַשׁ"-בְּרָכוֹת סג ע"ב, וְכֵן:"דְּבֶעֲלַת אַכְסַנְיָה יְכוֹלָה לְבַשֵּׁל וְלֶאֱפוֹת בְּעַד הָאוֹרְחִים דכבני בֵּיתָהּ הֵם שֶׁהֲרֵי צְרִיכָה לְהַאֲכִילָם"- עָרוּךְ הַשֻּׁלְחָן יוֹרֶה דֵּעָה הִלְכוֹת אֲבֵלוּת סִימָן שפ)