interdigitate

verb

1. (transitive)To fold or lock together, as when the fingers of one hand are laced between those of the other.
2. (intransitive)To become folded or locked together, like the fingers of a folded hand.

   “Figure 1.4 shows a modern thyristor encapsulated in a presspack housing and Figure 1.5 illustrates a typical interdigitated gate geometry in a high-power thyristor; the black areas indicate silicon ( Si0₂ ) and the white areas the Al metallisation.”

3. (figuratively, transitive)To intermingle; to present alternately items from one group and then another.

   “Thirdly, I continue to attempt to interdigitate the taxa in our flora with taxa of the remainder of the world.”