noun 1.a gold-colored star displayed, as on a service flag, to indicate that a member of one's family,
organization, or the like, was killed in war as a member of the armed forces.
2.Informal.a.symbolic approval or recognition for outstanding merit or effort: You get the gold star for cooking such a gourmet dinner.
b.anything that represents an outstanding effort or achievement: Her promotion was the gold star she'd been working for.
Origin:
1920–25, Americanism
Related forms gold-star, adjective