Strong H2742A חָרוּץ chârûts chârûts · sharp

Isaiah

1. Isaiah 28:27
   For the fitches are not threshed with a threshing instrument, neither is a cart wheel turned about upon the cummin; but the fitches are beaten out with a staff, and the cummin with a rod.
2. Isaiah 41:15
   Behold, I will make thee a new sharp threshing instrument having teeth: thou shalt thresh the mountains, and beat them small, and shalt make the hills as chaff.