from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Botany The spontaneous opening at maturity of a plant structure, such as a fruit, anther, or sporangium, to release its contents.
- n. Medicine A rupture or splitting open, as of a surgical wound, or of an organ or structure to discharge its contents.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Opening of an organ by its own means (such as an anther or a seed pod) to release its contents.
- n. A rupture, as with a surgical wound opening up, often with a flow of serous fluid.
- n. Opening, gaping, in a general sense.
from the GNU version of the Collaborative International Dictionary of English
- n. The act of gaping.
- n. A gaping or bursting open along a definite line of attachment or suture, without tearing, as in the opening of pods, or the bursting of capsules at maturity so as to emit seeds, etc.; also, the bursting open of follicles, as in the ovaries of animals, for the expulsion of their contents.
from The Century Dictionary and Cyclopedia
- n. A gaping.
- n. 2. In botany, the opening of a pericarp for the discharge of the seeds, or of an anther to set free the pollen.
- n. In pathol., a bursting open.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (biology) release of material by splitting open of an organ or tissue; the natural bursting open at maturity of a fruit or other reproductive body to release seeds or spores or the bursting open of a surgically closed wound
From Modern Latin dehiscentia (in Linnaeus), from Latin dehiscentem, present participle of dehiscere. (Wiktionary)