interlock vb
1 to join or be joined firmly, as by a mutual interconnection of parts n
2 the act of interlocking or the state of being interlocked
3 a device, esp. one operated electromechanically, used in a logic circuit to prevent an activity being initiated unless preceded by certain events
4 a closely knitted fabric adj
5 (of fabric) closely knitted
♦
interlocker n