camp ‧ er /ˈkæmpə $ -ər/ BrE AmE noun [countable]
1 . someone who is staying in a tent or shelter
2 . ( also camper van British English ) a vehicle that has cooking equipment and beds in it
3 . American English a special type of tent on wheels that has cooking equipment and beds in it
4 . American English a child who is taking part in a camp
5 . happy camper spoken someone who seems to be happy with their situation