Pair glass is a term that refers to two drinking glasses that are used together. While pair glass is often used to describe this specific type of glassware, there are many synonyms that can be used to convey the same meaning. Some of these synonyms include double glass, embrace glass, partner glass, twin glass, and matching glasses. Each of these words can be used in a variety of contexts, and may be used to convey different connotations, such as a sense of companionship or unity. Ultimately, the choice of which synonym to use will depend on the desired tone and context of the communication.