From GNU Collaborative International Dictionary of English, version 0.54:
Brawn (<?>), n. [OF. braon fleshy part, muscle, fr. HG. brāto flesh, G. braten roast meat; akin to Icel. br<?><?> flesh, food of beasts, AS. br<?>de roast meat, br<?>dan to roast, G. braten, and possibly to E. breed.]
1. A muscle; flesh. [Obs.]
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Formed well of brawns and of bones.
-- Chaucer.
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2. Full, strong muscles, esp. of the arm or leg, muscular strength; a protuberant muscular part of the body; sometimes, the arm.
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Brawn without brains is thine.
-- Dryden.
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It was ordained that murderers should be brent on the brawn of the left hand.
-- E. Hall.
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And in my vantbrace put this withered brawn.
-- Shak.
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3. The flesh of a boar; also, the salted and prepared flesh of a boar.
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The best age for the boar is from two to five years, at which time it is best to geld him, or sell him for brawn.
-- Mortimer.
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4. A boar. [Obs.]
Beau. & Fl.
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