noun
barn
BAHN
noun
1
A large farm building used to store crops, equipment, or house animals.
"They kept the hay bales stacked high in the barn all winter."
2
A unit of area used in nuclear and particle physics to measure the cross-section of atomic nuclei.
"Physicists measure nuclear reaction probabilities in barns."
How to Use Barn
Learner’s notesIn plain EnglishA farm building for storing grain, hay, or equipment, or for housing livestock.
Common pairings
barn door
barn animals
red barn
Word Forms
barned past tense, barns plural, barns plural, Barns plural, barns singular
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They kept the hay bales stacked high in the _____ all winter.
Etymology
From Old English berern, a compound of "bere" (barley) and "ærn" (a building) — literally a "barley house."