n. An individual carpel of a schizocarp, having a single seed
the GNU version of the Collaborative International Dictionary of English
n. One carpel of an umbelliferous fruit. See cremocarp.
The Century Dictionary and Cyclopedia
n. One of the two achene-like carpels which form a cremocarp or fruit in the Umbelliferæ: same as hemicarp.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a carpel with one seed; one of a pair split apart at maturity
Word Usage
"Each half fruit (mericarp) is tipped by a persistent style, and marked by vertical ribs, between or under which lie, in many genera, the oil tubes or vittæ."