1911 Encyclopædia Britannica/Pannage
PANNAGE (O. Fr. pasnage, from Med. Lat. pasnagium, pasnaticum for pastionaticum, pascio; pascere, to feed), an English legal term for the feeding of swine in a wood or forest, hence used of a right or privilege to do this. The word is also used generally of the food, such as acorns, beech-mast, &c., on which the swine feed.