tu·​ni·​ca ˈtü-ni-kə How to pronounce tunica (audio)
plural tunicae ˈtü-nə-ˌkē How to pronounce tunica (audio)
: an enveloping membrane or layer of body tissue

Examples of tunica in a Sentence

Recent Examples on the Web But when too much pressure is placed on the tissue, the external envelope surrounding the corpus cavernosa -- called the tunica albuginea -- can tear, causing a corporal rupture, according to Purohit. Mark Lieber, CNN, 18 Apr. 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'tunica.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Latin, tunic, membrane

First Known Use

circa 1698, in the meaning defined above

Time Traveler
The first known use of tunica was circa 1698

Dictionary Entries Near tunica

Cite this Entry

“Tunica.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tunica. Accessed 3 Dec. 2023.

Medical Definition


tu·​ni·​ca ˈt(y)ü-ni-kə How to pronounce tunica (audio)
plural tunicae -nə-ˌkē How to pronounce tunica (audio) -ˌkī How to pronounce tunica (audio) -ˌsē How to pronounce tunica (audio)
: an enveloping membrane or layer of body tissue

More from Merriam-Webster on tunica

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!