
1) Inosculate 2) To form a connecting link 3) To interpenetrate
Found on
https://www.crosswordclues.com/clue/interosculate

• (v. i. & t.) To have the character of, or to lie between, two distinct groups. • (v. i. & t.) To kiss together to touch. See Osculate.
Found on
http://thinkexist.com/dictionary/meaning/interosculate/
In`ter·os'cu·late intransitive verb & t. 1. To kiss together to touch. See
Osculate .
2. (Biol.) To have the character of, or to lie between, two distinct groups.
Found on
http://www.encyclo.co.uk/webster/I/82

interosculate 1. To kiss together, to touch. 2. To have the character of, or to lie between, two distinct groups. 3. To form a connecting link, as between objects, genera, etc. 4. Etymology: from Latin osculat-, 'kissed'; from the verb osculari, from osculum, 'little mouth' or 'kiss'.
Found on
http://www.wordinfo.info/words/index/info/view_unit/1524/

to interpenetrate; inosculate. · to form a connecting link.
Found on
https://www.infoplease.com/dictionary/interosculate
No exact match found.