The Collaborative International Dictionary of English v.0.48:

Tent \Tent\, v. i. [imp. & p. p. Tented; p. pr. & vb. n.
   Tenting.]
   To lodge as a tent; to tabernacle. --Shak.
   [1913 Webster]

         We 're tenting to-night on the old camp ground. --W.
                                                  Kittredge.
   [1913 Webster]

WordNet (r) 3.0 (2006):

tenting
    n 1: the act of encamping and living in tents in a camp [syn:
         camping, encampment, bivouacking, tenting]