Strong's #2283: chagra' (pronounced khaw-gaw')
from an unused root meaning to revolve (compare 2287); properly, vertigo, i.e. (figuratively) fear:--terror.
Brown-Driver-Briggs Hebrew Lexicon:
châgâ'
1) terror, a reeling (in terror)
Part of Speech: noun feminine
Relation: from an unused root meaning to revolve [compare H2287]
Usage:
This word is used 1 times:
Isaiah 19:17: "And the land of Judah shall be a terror unto Egypt, every one that maketh mention"