a) A toilet.
1977, In Cubbaroos dim distant past They built a double dyke. Back to back in the yard it stood An architectural dream in wood — Ian Slack-Smith, The Passing of the Twin Seater, from The Cubbaroo Tales, 1977. Quoted in Aussie Humour, Macmillan, 1988, ISBN 0-7251-0553-4, page 235.
b) a ditch.
Lets walk to Devils Dyke.
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