Boyd’s Bible Dictionary:
(rake). “Threshing-machine” (2 Sam. 12:31; 1 Chron. 20:3). Pulverizer of ground (Isa. 28:24; Job 39:10), and elsewhere.
Strong’s Dictionary of Hebrew Words:
Meaning:
a primitive root; to abrade, i.e. harrow a field
KJV Usage:
break clods, harrow