Akademik

interlock
v., adj., & n.
—v.
1 intr. engage with each other by overlapping or by the fitting together of projections and recesses.
2 tr. (usu. in passive) lock or clasp within each other.
—adj. (of a fabric) knitted with closely interlocking stitches.
—n. a device or mechanism for connecting or coordinating the function of different components.
Derivatives:
interlocker n.

Useful english dictionary. 2012.