The process of letting a wine open up via the introduction of air

See Aeration.

c. 1300, not in Old English, but it retains the original Old English vowel of its source word, breath. Related: Breathed; breathing.

Roots draw in or breathe oxygen, stomata draw in or breathe carbon dioxide.

Roots draw in or breathe oxygen, stomata draw in or breathe carbon dioxide BUD BLIGHT

draw air into, and expel out of, the lungs; "I can breathe better when the air is clean"; "The patient is respiring" be alive; "Every c [..]

to take air into the body and force it out again

  to exercise.

otemen

(v) draw air into, and expel out of, the lungs(v) be alive(v) impart as if by breathing(v) allow the passage of air through(v) utter or tell(v) manifest or evince(v) take a short break from one's [..]

To breathe one’s last. To die.

When you allow a wine to breathe, you are giving it air, which improves the perfume and the texture of the wine.

to exercise