Quonset
Concise Oxford English Dictionary © 2008 Oxford University Press:
Quonset /ˈkwɒnsɪt/ (also Quonset hut)
▶noun N. Amer. trademark a prefabricated building with a semi-cylindrical corrugated roof.
– origin Second World War: named after Quonset Point, Rhode Island, where such huts were first made.
'Quonset' also found in these Oxford entries:

