Meaning

1. sport (athletic activity that uses physical skills competitively under a set of rules)
2. athletics, sports, (loosely) exercise (physical activities (not necessarily with fixed rules) requiring stamina, fitness and skill)
3. physical education, phys ed (element of an educational curriculum concerned with bodily development, physical health etc.)
4. hobby (activity involving exercise or exertion that one enjoys doing in one's spare time)