salt. First occurrence. Salt was, and is, the great antiseptic, preventing fermentation. As leaven and honey were forbidden in sacrifices, so salt is prescribed, because, when partaken of by the two parties, it made the covenant inviolable.
salt of the covenant. See note on Num_18:19. 2Ch_13:5. Salt denotes an indissoluble alliance. In Ezr_4:14 = obligations of loyalty.