proc·​to·​dae·​um ˌpräk-tə-ˈdē-əm How to pronounce proctodaeum (audio)
plural proctodaea ˌpräk-tə-ˈdē-ə How to pronounce proctodaeum (audio) or proctodaeums
: the embryonic posterior ectodermal part of the digestive tract

Word History


New Latin, from Greek prōktos anus + hodos way

First Known Use

1876, in the meaning defined above

Time Traveler
The first known use of proctodaeum was in 1876

Dictionary Entries Near proctodaeum

Cite this Entry

“Proctodaeum.” Dictionary, Merriam-Webster, Accessed 24 May. 2024.

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