Brown-Driver-Briggs (BDB)
H7393
H7393 רֶ֫כֶב chariotry , chariot , mill-stone ; appar. also riders
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain
Strong's H7393 · Hebrew
rekeb
reh'-keb
from 7392; a vehicle; by implication, a team; by extension, cavalry; by analogy a rider, i.e. the upper millstone