Strong's #8320: saruq (pronounced saw-rook')
from 8319; bright red (as piercing to the sight), i.e. bay:--speckled. See 8291.
Brown-Driver-Briggs Hebrew Lexicon:
ׂ
śârûq
1) sorrel, reddish, tawny, bay
Part of Speech: noun masculine
Relation: from H8319
Usage:
This word is used 1 times:
Zechariah 1:8: "and behind him were there red horses, speckled, and white."