PTShvi 33.b:58[2] :מפשוטיתה דתעניתא‏ :
See the entire entry for mpšwṭy n.f. spreading out

PTShvi 33.b:58[2] :וערבתא דיומא שביעייא‏ : the willow of the seventh day (of Sukkot)
See the entire entry for ˁarbā, ˁarbtā n.f. willow