Brown-Driver-Briggs (BDB)
H7298a
H7298a רַ֫הַט trough (where water is collected ?); for watering cattle H7298b רַ֫הַט dub., lock of hair (?fr. flowing down)
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain
Strong's H7298 · Hebrew
rahat
rah'-hat
from an unused root apparently meaning to hollow out; a channel or watering-box; by resemblance a ringlet of hair (as forming parallel lines)