bolt (na`al, "to bind up"): The ancient Hebrews had fastenings of wood or iron for the doors of houses (2Sa 13:17-18; Song 5:5), city gates (Ne 3:3,6,13-15), prison doors, etc. (Isa 45:2), which were in the form of bolts. These were sometimes pushed back from within; but there were others which, by ...