Strong's H5645 · Hebrew

`ab

awb

(masculine and feminine); from 5743; properly, an envelope, i.e. darkness (or density, 2 Chron. 4:17); specifically, a (scud) cloud; also a copse

Scholarly Lexicons

Brown-Driver-Briggs (BDB)

 H5645 עָב dark cloud , cloud-mass , thicket  

Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain