ovotestis

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A reproductive organ that releases both eggs and sperm or that contains both ovarian and testicular tissue.

from The Century Dictionary.

• noun A hermaphrodite generative organ, having at once the function of an ovary and of a testis, such as occur in many monœcious mollusks.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun biology A hermaphroditic gonad, found in certain gastropods, that produces both sperm and eggs

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun hermaphroditic gonad that contains both testicular and ovarian tissue