interlocking

adjective

  1. 1

    linked or locked closely together as by dovetailing

noun

  1. 1

    the act of interlocking or meshing

    an interlocking of arms by the police held the crowd in check

  2. 2

    contact by fitting together

    the engagement of the clutch

    the meshing of gears

Synonyms

Also useful for “interlocking”:Scrabble