...The river into which we ran zigzags about, and then takes a courseS... 
Mary H. Kingsley 「Travels in West Africa」
...This will accustom him to take his beat right through tothe fence, and not in irregular zigzags, as he otherwise would do...
Dinks, Mayhew, and Hutchinson 「The Dog」
...But hecame upon endless rugged zigzags, which so involved and baffled him thathe gave it up in despair, and returned...
Ernest Favenc 「The Explorers of Australia and their Life-work」
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