circa 1722, in the meaning defined at sense 1
“Blackleg.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blackleg. Accessed 5 Jul. 2026.
blackleg
called also black quarter, quarter evil, quarter ill, symptomatic anthrax
Thesaurus: All synonyms and antonyms for blackleg
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