interlocking

from WordNet (r) 3.0 (2006)

interlocking
    adj 1: linked or locked closely together as by dovetailing [syn:
           {interlacing}, {interlinking}, {interlocking},
           {interwoven}]
    n 1: contact by fitting together; "the engagement of the
         clutch"; "the meshing of gears" [syn: {engagement}, {mesh},
         {meshing}, {interlocking}]
    2: the act of interlocking or meshing; "an interlocking of arms
       by the police held the crowd in check" [syn: {mesh},
       {meshing}, {interlock}, {interlocking}]

from The Collaborative International Dictionary of English v.0.48

interlocking \in`ter*lock"ing\, a.
   Connected together in such a manner that the parts work
   together as a single unit, or in a coordianted manner.
   [PJC]