[in.ter.lock] vi (1632): to become locked together or interconnected ~ vt 1: to lock together: unite
2: to connect so that the motion or operation of any part is constrained by another
[2]in.ter.lock n (1874) 1: the quality, state, sense, or an instance of being interlocked
2: an arrangement in which the operation of one part or mechanism automatically brings about or prevents the operation of another "a safety ~" 3 a: a stretchable fabric made on a circular knitting machine and consisting of two ribbed fabrics joined by interlocking b: a garment made of interlock