Walk with a backpack, maybe (4)

I believe the answer is:
hike
(Other definitions for hike that I've seen before include "Long walk - sharp increase" , "Tramp" , "Travel by Shank's Mare" , "Long walk; big price rise" , "Jack" .)
I believe the answer is:
hike
(Other definitions for hike that I've seen before include "Long walk - sharp increase" , "Tramp" , "Travel by Shank's Mare" , "Long walk; big price rise" , "Jack" .)