† polychorionn. [after French polychorion, polychorium (C.F.B. de Mirbel 1813, in Nouveau bull. des sci. par la Soc. Philomatique III. 517; compare etaerion.)] BotanyObsoleterare an etaerio.
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1832 J. LindleyIntrod. Bot.i. ii. 175 Etærio, Mirb.—(‘Polychorion, Mirb.;’ Polysecus, Desvaux; Amalthea, Desv.; Erythrostomum, Desvaux).
1866 J. Lindley & T. MooreTreasury Bot. II. 913/1Polychorion, a polycarpous fruit like that of Ranunculus.