Definition of interleave
verb
[with object] 1insert pages, typically blank ones, between the pages of (a book):books of maps interleaved with tracing paper place something between the layers of (something):pasta interleaved with strips of zucchini and carrot
2 Telecommunications &
Computing mix (two or more digital signals) by alternating between them. Computing divide (memory or processing power) between a number of tasks by allocating segments of it to each task in turn.