The definition of a get together is a situation when multiple people gather at a certain location in order to see each other.(noun)
A family picnic is an example of a get together.
Get together is defined as a slang expression that means when two people have decided to date or enter some relationship, or that two people have engaged in sexual behavior together.(verb)
An example of get together is when Stacy and Tom decide to date for the first time.
See get-together in Webster's New World College Dictionary
See get-together in American Heritage Dictionary 4
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