barn - an outlying farm building for storing grain or animal feed and housing farm animals

building, edifice - a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"

chicken coop, coop, hencoop, henhouse - a farm building for housing poultry

horse barn, stable, stalls - a farm building for housing horses or other livestock