Meaning of BACKPACK in English

BACKPACK

I. ˈ ̷ ̷ˌ ̷ ̷ noun

Etymology: back (I) + pack

1. : a load carried on the back (as by knapsack)

2. : a piece of equipment (as a fire extinguisher) designed for operation while being carried on the back

II. transitive verb

: to carry (food or equipment) on the back especially in camping

each wooden roof beam … had to be backpacked from the plain below up the steep trail — Holiday

summer hikers who are backpacking all their equipment — K.A.Henderson

intransitive verb

: to carry one's food or equipment on the back especially in camping

crampons would have been useful, but when backpacking, we hadn't considered their extra weight worth taking — Appalachia

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.