from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A receptacle in the reproductive tracts of certain female invertebrates, especially insects, in which spermatozoa are received and stored until needed to fertilize the ova.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A small sac within the reproductive tract of some female invertebrates, such as insects, which stores sperm until it is used to fertilize the ova.
from the GNU version of the Collaborative International Dictionary of English
- n. A small sac connected with the female reproductive organs of insects and many other invertebrates, serving to receive and retain the spermatozoa.
from The Century Dictionary and Cyclopedia
- n. A spermatic case, capsule, or sheath; a receptacle for semen; specifically, the seminal receptacle in the female, as of various insects and other invertebrates, which receives and conveys or detains the sperm of the male. More correctly spermatotheca. See cuts under Dendrocœla, ovariole, and Rhabdocœla.
Late Latin sperma, semen; see sperm1 + theca.(American Heritage® Dictionary of the English Language, Fourth Edition)
From sperma- + theca. (Wiktionary)