This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A function which calls all the other functions of a certain program; the only function that can be called independently.

n. A construct that performs a mapping between entities at compile time.

n. A group of grammatical systems that make meanings of a related kind.

"But you and your genes for operant metafunction might just as easily be a potential lethal factor-as the Host of Nontusvel perceives you."

metafiction