Functioning orifice Synonyms

Definitions for Functioning

(adjective) being in effective operation
(adjective) performing or able to perform its regular function
(noun) process or manner of functioning or operating

Synonyms for phrase

functional space

effective break

FO abbreviation

FO is an abbreviation for Functioning Orifice

What does FO stand for?

FO stands for "Functioning Orifice"

Orifice replaced

functioning mouth

Definitions for Orifice

(noun) a place in a surface allowing passage into or through a thing
(noun) an aperture or hole that opens into a bodily cavity