Meaning: A fully grown female animal of a domesticated breed of ox, used as a source of milk or beef.
The top part shows two "Y" handshapes between the curved line which represents the forehead. Two dots indicate a location of where the hands touch. The digit what looks like a quotation mark means two movements of the hands. The bottom line depicts a front face with the 'oo' mouth morpheme and the fingerspelled word "moo" moving forward (the bottom line with an end dot).
ASL digit written contributed by Adrean Clark in the ASLwrite community, 2017.