Boyd’s Bible Dictionary:
Used variously (Psa. 18:42; Isa. 57:20; Jer. 38:6; John 9:6); for making pottery (Isa. 41:25); for brick-making (2 Sam. 12:31); for sealing (Job 38:14); for writing tablets.
Strong’s Dictionary of Hebrew Words:
Meaning:
from an unused root meaning apparently to be sticky (rath. perb. a demon. from 2894, through the idea of dirt to be swept away); mud or clay; figuratively, calamity
KJV Usage:
clay, dirt, mire