ablution block
nounDefinition of ablution block
chiefly Australia, New Zealand & South Africa
: a building in a public area (such as a park or campground) with facilities for washing and one or more toilets
The group will likely be building an ablution block in one of city's villages or communes—but won't know exactly what task they'll undertake until they arrive on Sunday. — Nicola Brennan-Tupara, Waikola (New Zealand) Times, 2 Mar. 2011
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