medium size; medium pattern; medium stature
Refers to something of medium size, pattern, or build. The exact meaning depends on context: for clothing it can mean medium size or a medium-sized pattern; for a person it means medium build or stature.
This shirt has a medium-sized check pattern.
He is of medium build and has a sturdy physique.
Compound of 中 (ちゅう, 'middle, medium') and 柄 (がら, 'pattern, build, size').