A type of barn for dairy cows, in which they are permitted free movement between resting and feeding areas; a stall for resting in such a barn; chiefly attributive.
Origin
1960s; earliest use found in The Newark Advocate.
Definition of free stall in US English:
free stall
noun
A type of barn for dairy cows, in which they are permitted free movement between resting and feeding areas; a stall for resting in such a barn; chiefly attributive.