from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Botany A partition dividing an organ, such as an ovary or a fruit, into chambers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. partition (in an organ); septum
from the GNU version of the Collaborative International Dictionary of English
- n. A separating tissue; a partition; a septum.
- n. One of the partitions which divide a compound ovary into cells.
- n. One of the transverse, calcareous partitions between the radiating septa of a coral.
from The Century Dictionary and Cyclopedia
- n. In botany: A partition; especially, one of the partitions within ovaries and fruits formed by the coherence of the sides of the constituent carpels. Spurious or false dissepiments are partitions otherwise formed.
- n. In hymenomycetous fungi, same as trama.
- n. In zoöl. and anat.: In general, a septum or partition; that which puts asunder two or more things by coming between them: as, the dissepiment of the nostrils.
- n. Specifically— One of the imperfect horizontal plates which connect the vertical septa in corals, and divide the loculi between the septa into a series of intercommunicating cells. The internal separation or division between the segments of annelids, as worms.
Latin dissaepīmentum, partition, from dissaepīre, to divide : dis-, dis- + saepīre, hedge off (from saepēs, hedge).(American Heritage® Dictionary of the English Language, Fourth Edition)