interlace

Short definition from Wiktionary

Noun

1. 1
   A decorative element found especially in early medieval art
2. 2
   A technique of improving the picture quality of a video signal primarily on CRT devices without consuming extra bandwidth.

Verb

1. 1
   To cross one with another.
2. 2
   To mingle; to blend.
3. 3
   To cross one another as if woven together; to intertwine; to blend intricately.