Strong's #5253: huperoion (pronounced hoop-er-o'-on)
neuter of a derivative of 5228; a higher part of the house, i.e. apartment in the third story:--upper chamber (room).
Thayer's Greek Lexicon:
̔͂ͅ
huperōon
1) the highest part of the house, the upper rooms or story where the women resided
2) a room in the upper part of a house, sometimes built upon the flat roof of the house, whither Orientals were wont to retire in order to sup, meditate, pray
Part of Speech: noun neuter
Relation: from a derivative of G5228
Usage:
This word is used 4 times:
Acts 1:13: "they were come in, they went up into an upper room, where abode both"
Acts 9:37: "they laid her in an upper chamber."
Acts 9:39: "they brought him into the upper chamber: and all the widows"
Acts 20:8: "lights in the upper chamber, where they were gathered together."