The Collaborative International Dictionary of English v.0.48:

Collocate \Col"lo*cate\, a. [L. collocatus, p. p. of collocare.
   See Couch.]
   Set; placed. [Obs.] --Bacon.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Collocate \Col"lo*cate\, v. t. [imp. & p. p. Collocated; p.
   pr. & vb. n. Collocating.]
   To set or place; to set; to station.
   [1913 Webster]

         To marshal and collocate in order his battalions. --E.
                                                  Hall.
   [1913 Webster]

WordNet (r) 3.0 (2006):

collocate
    v 1: have a strong tendency to occur side by side; "The words
         'new' and 'world' collocate"
    2: group or chunk together in a certain order or place side by
       side [syn: collocate, lump, chunk]