1. Carrying something in a pack on the back
   "the backpacking of oxygen is essential for astronauts"
   - packing

1. Hike with a backpack
   "Every summer they are backpacking in the Rockies"
   - pack

Type of: carry, hike

Encyclopedia: Backpack

• expostulatory
• exposure
• exposure meter
• exposure therapy
• expound
• expounder
• expounding
• express
• express emotion
• express feelings
• express joy
• express luxury liner
• express mirth
• express trust
• express-mail
• expressage
• expressed
• expressed almond oil
• expressible
• expression
• expressional
• expressionism
• expressionist
• expressionistic
• expressionless