sper·ma·theca \|spərmə+\noun Etymology: New Latin, from sperm- + theca : a sac connected with the female reproductive organs of most insects, many other invertebrates, and a few vertebrates (as some amphibians) that receives and retains the spermatozoa often for a long period and until the time for fertilizing the eggs • sper·ma·thecal\“+\adjective