A wine glass is a multivocal sign, but it is mostly interpreted as a positive one. To see a wine glass at a distance signifies that you will learn something new about a person you already know quite well.
To get a wine glass as a present promises a job promotion. If a woman is offered a full glass of wine, she will probably get pregnant soon.
To drink from a wine glass is to fulfill your goals and ambitions. For an ill person, it means to get better soon.
To hold a glass full of wine promises great celebration to come.