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replum

noun rep·lum \ ˈrepləm \
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Definition of replum

plural repla \-lə\
: a thin false dissepiment separating the two valves of some fruits (as siliques and some legumes) from which the valves fall away at maturity

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Origin and Etymology of replum

Latin, part of a door (probably bolt for covering the gap in a folding door), from replēre to fill up

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