(management) Any secondary business activity that supports the line functions of a business, but does not directly affect customers or profits

(US, Canada) Half-mast.

(idiomatic, often literary or poetic) Bread or some other staple foodstuff.

plural of cantoral staff

plural of station staff

A staff with a crosspiece at the top like a crutch.

plural of tau staff

plural of level staff

plural of offset staff

A navy surgeon of senior grade.