A manger is a low open container which cows, horses, and other animals feed from when indoors. a long open container that horses, cattle etc eat from (maingeure, from mangier )
[ 'mAn-j&r ] (noun.) 14th century. Middle English mangeour, manger, from Middle French maingeure, from mangier to eat, from Latin manducare to chew, devour, from manducus glutton, from mandere to chew; more at MANDIBLE.