/ ˈwɔːkɪŋ; NAmE / noun , adjective
■ noun [ U ]
1.
( especially BrE ) the activity of going for walks in the countryside for exercise or pleasure :
to go walking
walking boots
a walking holiday in Scotland
—see also power walking
2.
the sport of walking a long distance as fast as possible without running
■ adjective
[ only before noun ] ( informal ) used to describe a human or living example of the thing mentioned :
She's a walking dictionary (= she knows a lot of words) .