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carpenter's square

noun
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Definition of carpenter's square

1 : a usually steel square used by carpenters
2 : either of two plants of the genus Scrophularia:
a : the common figwort (S. nodosa) of Europe
b : a related American species (S. marylandica)

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“Carpenter's square.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/carpenter%27s%20square. Accessed 10 December 2019.

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