Set up tents (6)
'set up tents' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for encamp that I've seen before include "Lodge in tents (mil.)" , "set up home?" , "Set up tents" , "Pitch tents" , "Bedroom illuminator" .)
(Other definitions for camped that I've seen before include "Set up a tend" , "Lived in a tent" , "Set up a tent" , "Bivouacked" , "Pitched tent" .)