IPA: /ˌdɛdɪˈkeɪ/
KK: /ˌdɛdɪˈkeɪi/
A person to whom a book, piece of music, or other work is dedicated.
The author chose her grandmother as the dedicatee of her novel.
Dedicatee is formed from "dedicare" (meaning to consecrate or devote) and the suffix "-ee" (meaning the person who is the recipient of an action). The word refers to a person to whom something is dedicated or devoted.
Think of someone who is 'devoted' ('dedicare') to a particular purpose or work, and the '-ee' indicates that this person is the recipient of that dedication.