\begin{definition}[Definition:Imperial/Volume/Demi-Bushel]
The '''demi-bushel''' is an imperial unit of volume.
{{begin-eqn}}
{{eqn | o = 
      | r = 1
      | c = '''demi-bushel'''
}}
{{eqn | r = 2
      | c = pecks
}}
{{eqn | r = 18 \cdotp 18436
      | c = litres
}}
{{end-eqn}}
\end{definition}