The Collaborative International Dictionary of English v.0.48:

Catenate \Cat"e*nate\, v. t. [imp. & p. p. Catenated; p. pr. &
   vb. n. Catenating.] [L. catenatus, p. p. of catenare, fr.
   catena chain. See Chain.]
   To connect, in a series of links or ties; to chain. --E.
   Darwin.
   [1913 Webster]

WordNet (r) 3.0 (2006):

catenate
    v 1: arrange in a series of rings or chains, as for spores [syn:
         catenate, catenulate]