What is the definition or description of: athlete?

Athlete: If a purist the origin of the word "athlete" is from the greek word "athlos" meaning contest; therefore, the definition of an athlete would be one who possesses or has developed the skills, strength and stamina necessary to participate in a competitive sporting event. I think this can be extrapolated to include those dedicated, focused in their athletic training even if just a personal challenge.

Athlete: Noun a person who is proficient in sports and other forms of physical exercise. Synonyms sportsman.

Athlete: A person trained or gifted in exercises or contests involving physical agility, stamina, or strength; a participant in a sport, exercise, or game requiring physical skill.

Athlete: Ath·lete n. A person possessing the natural or acquired traits, such as strength, agility, and endurance, that are necessary for physical exercise or sports, especially those performed in competitive contexts.

Athlete: A person trained or gifted in exercises or contests involving physical agility, stamina, or strength; a participant in a sport, exercise, or game requiring physical skill.