What part of speech is epididymis?

Epididymis can be categorized as a noun.

Parts of speech

• 1. epididymis is a noun, singular of epididymises / epididymisses.

Inflections

Noun

• Singular

  Plural
• epididymis 

  epididymises  / epididymisses 

• Singular: epididymis 
• Plural: epididymises  / epididymisses 

What does epididymis mean?