Definitions of sport:

• noun:   an active diversion requiring physical exertion and competition
• noun:   the occupation of athletes who compete for pay
• noun:   (Maine colloquial) temporary summer resident of inland Maine
• noun:   someone who engages in sports
• noun:   verbal wit (often at another's expense but not to be taken seriously)
• noun:   (biology) an organism that has characteristics resulting from chromosomal alteration
• verb:   wear or display in an ostentatious or proud manner

  Example: "She was sporting a new hat"

• verb:   play boisterously
• name:  A surname (very rare: popularity rank in the U.S.: #45332)