Medical Dictionary
Main Entry:
in·ter·dig·i·tate Pronunciation:
-'dij-&-"tAt Function:
intransitive verb Inflected Forms:
-tat·ed;
-tat·ing 1 : to become interlocked like the fingers of folded hands
interdigitate with the thin actin filaments —J. M.Squire>
2 : to undergo intercuspation interdigitate completely —J. A. Glassman> —in·ter·dig·i·ta·tion /-"dij-&-'tA-sh&n/ noun
[in-ter-dij-i-teyt] 
tərˈdɪdʒ