: a trough (see troughsense 1a) or open box in a stable designed to hold feed or fodder for livestock
We had our stage props now: a radiating tinfoil star and one of those mangers you see in Nativity scenes and nowhere else. Richard Peck
The first stall was a large square one, shut in behind with a wooden gate; … it had a low rack for hay and a low manger for corn … Anna Sewell
Word History
Etymology
Middle English mangeour, manger, from Anglo-French mangure, from manger to eat, from Latin manducare to chew, devour, from manducus glutton, from mandere to chew — more at mandible