What part of speech is microcephalus?

Microcephalus can be categorized as a noun.

Parts of speech

• 1. microcephalus is a noun, singular of microcephaluses / microcephalusses.

Inflections

Noun

• Singular

  Plural
• microcephalus 

  microcephaluses  / microcephalusses 

• Singular: microcephalus 
• Plural: microcephaluses  / microcephalusses 

What does microcephalus mean?