mericarp
/ˈmɛrɪkɑːp/Botany
noun
Each of the one-seeded units into which a schizocarp separates at maturity, each unit forming a dry indehiscent fruit; especially either of the halves of the fruit (cremocarp) of a plant of the family Apiaceae (Umbelliferae).
Origin
Mid 19th century; earliest use found in John Lindley (1799–1865), botanist and horticulturist. Irregularly from ancient Greek μερίς part + -carp, after post-classical Latin mericarpium.