FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

rekeb reh'-keb — from 7392; a vehicle; by implication, a team; by extension, cavalry; by analogy a rider, i.e. the upper millstone:--chariot, (upper) millstone, multitude (from the margin), wagon.

see HEBREW for 07392