Definitions of treat:

• noun:   an occurrence that cause special pleasure or delight
• noun:   something considered choice to eat
• verb:   provide with a gift or entertainment

  Example: "Grandmother always treated us to the circus"

• verb:   interact in a certain way

  Example: "Treat him with caution, please"

• verb:   regard or consider in a specific way

  Example: "I treated his advances as a joke"

• verb:   engage in negotiations in order to reach an agreement

  Example: "They had to treat with the King"

• verb:   provide treatment for

  Example: "The doctor treated my broken leg"

• verb:   subject to a process or treatment, with the aim of readying for some purpose, improving, or remedying a condition

  Example: "Treat the water so it can be drunk"

• verb:   deal with verbally or in some form of artistic expression

  Example: "The new book treats the history of China"

• verb:   provide with choice or abundant food or drink

  Example: "Don't worry about the expensive wine--I'm treating"

• name:  A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #4953)