¹ around adverb

• in a circle
• in, along, or through a curving path
• —used to indicate a measurement that is made along the outer surface of something circular

² around preposition

• on all sides of (something or someone)
• so as to circle or surround (something or someone) : moving so as to circle (something or someone)
• over or in different parts of (a place)

³ around adjective

• existing or active