Passive participle of yatsa'; spread, i.e. A bed; (architecture) an extension, i.e. Wing or lean-to (a single story or collectively):
see HEBREW yatsa'
H3326. yatsua
[יָצוּעַ] noun [masculine] couch, bed (poetry); — suffix יְצוּעִי Genesis 49:4; plural construct יְצוּעֵי 1 Chronicles 5:1; suffix יְצוּעָ֑י Job 17:13 2t. (+ 1 Kings 6:5-6, 10 Kt, see יָצִיעַ); couch, bed, of wedlock or concubinage, Genesis 49:4 (J), hence 1 Chronicles 5:1; in General Psalm 63:7, יְצוּעָ֑י עֶרֶשׂ 132:3; יְצוּעָ֑י רִמַּדְתִּי בַּחשֶׁךְ Job 17:13 ("" בֵּיתִי שְׁאוֺל אִםאֲֿקַיֶּה; compare Psalm 139:8).
[יָצִיעַ] noun masculine1 Kings 6:10 only Qr, properly flat surface, only of lower projecting story of temple, יָצִו֯עַ 6:5, 10; 6:6 read הַצֵּלָע the side-chamber, as ᵐ5 Bö§ 658 StaZAW 1883, 136, see also 6:5; 6:8; Ezekiel 41:5-6,.