ko·ku
| \ ˈkō(ˌ)kü \
plural koku
Definition of koku
: any of three Japanese units of capacity:
a
: a unit for dry measure equal to 5.12 bushels
b
: a unit for liquid measure equal to 47.65 gallons
c
: a unit for vessels equal to 10 cubic feet
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Merriam-Webster unabridged
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