A teacher who is a walking dictionary.
An example of walking is a foot tour around the city.
An example of walking used as an adjective is in the phrase "a walking tour," which means a tour in which people move from point a to point b using their feet.
A walking plow.
Walking clothes; a walking trail; walking distance.
A walking trip through Wales.
He'll know the answer—he's a walking encyclopedia.
A walking beam.
A walking crane.
A walking tour.
Good walking shoes.
A walking trip.
The walking was treacherous after the ice storm.