Freshen meaning : To become fresh. (of wind) To become stronger. (of a cow) To begin or resume giving milk, especially after calving; to cause to resume giving milk. To make fresh. To give redness to (the face or cheeks of a person with light skin). To make less salty; to separate, as water, from saline ingredients. To relieve, as a rope, by change of place where friction wears it; or to renew, as the material used to prevent chafing. To top up (a drink). To top up (primer) in a firearm.