Obs. [perh. attrib. use of COCKLE sb.2] Whimsical. Hence Cockle-brained, -headed.

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1708.  Motteux, Rabelais, IV. lxvi. (1737), 272. May a million of … Devils anatomize thy Cockle brain.

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1818.  Scott, Rob Roy, xxi. He’s crack-brained and cockle-headed.

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