The word "adosculation" is not a commonly used word, but it does have a specific spelling. It is spelled with an "a" at the beginning and not an "o" as some may expect. The IPA phonetic transcription for this word /ædəskjuˈleɪʃ(ə)n/ can help with pronunciation. It is pronounced as "ad-uh-skyoo-ley-shuhn" with the stress on the second syllable. The meaning of this word is the act of caressing, hugging or embracing someone, usually young people.
The impregnation of plants; a propagation of plants by inserting one part of a plant into another.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.