3. The mingling of fresh water with salt in rivers or bays, as by means
of a flood of fresh water flowing toward or into the sea. Beverly.
Fresh, v. t. To refresh; to freshen. [Obs.] Rom. of R.
Fresh"en (?), v. t. [imp. & p. p. Freshened (?); p. pr. & vb. n.
Freshening (?)] 1. To make fresh; to separate, as water, from saline
ingredients; to make less salt; as, to freshen water, fish, or flesh.