Major orifice Synonyms

Definitions for Major

(adjective) sufficiently large in size, amount, or number to merit attention
(adjective) having great meaning or lasting effect
(adjective) greater in scope or effect

MO abbreviation

MO is an abbreviation for Major Orifice

What does MO stand for?

MO stands for "Major Orifice"

Orifice replaced

major channel

major passage

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