Boyd’s Bible Dictionary:
(wound, stain). For ceremonial blemishes (Lev. 21:18-20; 22:20-24).
Strong’s Dictionary of Hebrew Words:
Meaning:
usually muwm {moom}; as if passive participle from an unused root probably meaning to stain; a blemish (physically or morally)
KJV Usage:
blemish, blot, spot