angels' share
angels' share · angels' shares
The portion of a wine, whiskey or other alcoholic spirit's volume that is lost to…The portion of a wine, whiskey or other alcoholic spirit's volume that is lost to evaporation during aging, particularly while it matures in barrels (and evaporates through the porous wood).
Meaning
1 senses(no plural)The portion of a wine, whiskey or other alcoholic spirit's volume that is lost to evaporation during aging, particularly while it matures in barrels (and evaporates through the porous wood).