• (n.) A figure supposed to resemble an apple; a roundel, -- always of a green color.
Pom'ey noun ; plural Pomeys . [ French pommé grown round, or like an apple, past participle of pommer to pome.] (Her.) A figure supposed to resemble an apple; a roundel, -- always of a green color. 
In heraldry, a pomey is a roundel figure of green colour supposed to resemble an apple.