Gallon or gram (4)
I believe the answer is:
unit
(Other definitions for unit that I've seen before include "Single complete domestic fixture" , "Separate part" , "Part of a kit" , "squad" , "Single item; one" .)
I believe the answer is:
unit
(Other definitions for unit that I've seen before include "Single complete domestic fixture" , "Separate part" , "Part of a kit" , "squad" , "Single item; one" .)