What part of speech is containerful?

Containerful can be categorized as a noun.

Parts of speech

• 1. containerful is a noun, singular of containerfuls / containerfules.

Inflections

Noun

• Singular

  Plural
• containerful 

  containerfuls  / containerfules 

• Singular: containerful 
• Plural: containerfuls  / containerfules 

What does containerful mean?