To roam means to wander around freely without a fixed destination or plan. When animals roam, they travel across wide areas searching for food or water: buffalo once roamed the Great Plains in enormous herds, and lions roam the African savanna. When people roam, they explore or wander without hurrying to get anywhere specific.

You might roam through a museum, stopping to look at whatever catches your eye, or roam around your neighborhood on a Saturday afternoon just to see what's happening. Roaming feels different from walking somewhere with purpose: when you roam, the journey itself matters more than arriving anywhere in particular.

The word suggests freedom and open space. You can't really roam in a closet, but you can roam through a forest, across a field, or around a city. Your eyes might roam across a page when you're looking for something interesting to read, and your mind might roam during a boring lecture, drifting from thought to thought without settling on anything.

Phone companies use the word too: when your phone roams, it connects to a different company's network because you've traveled outside your usual service area.