Meaning of interlace

in•ter•lace

1. to cross one another, typically passing alternately over and under, as if woven together; intertwine: Their hands interlaced.

1. to unite or arrange (threads, strips, parts, branches, etc.) so as to intercross one another, passing alternately over and under; intertwine.
2. to mingle; blend.
3. to diversify, as with threads woven in.
4. to intersperse; intermingle: She interlaced her lecture on Schubert with some of his songs.