Quick Definition
watcher
Strong's Definition
a watcher, i.e. an angel (as guardian)
Derivation: (Aramaic) from a root corresponding to H5782 (עוּר);
KJV Usage: watcher.
TWOT Reference: 2907
Outline of Biblical Usage
1) waking, watchful, wakeful one, watcher, angel
STEPBible — Tyndale Abridged Hebrew Lexicon
עִיר (ir) — watcher. waking, watchful, wakeful one, watcher, angel
Brown-Driver-Briggs Hebrew Lexicon
עִיר n.m. waking, or wakeful, one, i.e. angel base