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spermatheca Syllabification: sper·ma·the·ca
Pronunciation: /ˌspərməˈTHēkə/

Definition of spermatheca in English:

noun (plural spermathecae-kē)

(In a female or hermaphrodite invertebrate) a receptacle in which sperm is stored after mating.
Example sentences
  • To ensure that we counted all sperm transferred, we assessed the number of sperm contained in both the inseminated spermatheca and the associated insemination ducts.
  • After dissection, the spermathecae were stored separately in alcohol for later DNA-microsatellite analysis.
  • We could ascribe unambiguously the content of each spermathecae to either of the two mates for only 12 females.


Early 19th century: from late Latin sperma 'sperm' + theca.

Definition of spermatheca in:
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