Brown-Driver-Briggs (BDB)
H226
H226 אוֹת sign . sign , pledge , token . signs , omens promised by prophets as pledges of certain predicted events . sign , symbol of prophets . signs , miracles , as pledges or attestations of divine presence & interposition . signs , memorials . sign , pledge of covenant . ensigns , standards . signs , tokens of changes of weather & times
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain