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ploughshare

British  
/ ˈplaʊˌʃɛə /

noun

  1. the horizontal pointed cutting blade of a mouldboard plough

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Ploughshare tortoises, which are native to Madagascar, are one of the world's rarest animals, with fewer than 300 remaining in the wild.

From BBC • Jul. 5, 2022

And Ploughshare men are sure that they can blast a wide sea-level canal in a couple of years at a fraction of the cost of conventional digging.

From Time Magazine Archive

With these and other shots, Ploughshare scientists built up a body of theory and experience in which they have great confidence.

From Time Magazine Archive

Ploughshare has yet to dig any canal-like ditches with long lines of nuclear explosions, but it has experimented elaborately with chemical shots and believes it knows the basic laws that govern both kinds of blasts.

From Time Magazine Archive

The very next week I was took on the London, Highshare, and Ploughshare railway, and that through the gent who got me discharged from the Great Central, which happened this way.

From Christmas Penny Readings Original Sketches for the Season by Fenn, George Manville