Brown-Driver-Briggs
מִזְרֶה noun [masculine] pitch-fork, with six prongs (=

) used in winnowing, compare Wetzst
ZPV 1891, xiv. 2; for winnowing provender
׳זֹרֶה בָרַחַת וּבְמ Isaiah 30:24; figurative for winnowing, i.e. chastising the people
׳וָאֶזְרֵם בְּמ Jeremiah 15:7.