You know what it looks like… but what is it called?
TAKE THE QUIZ“!_Delphini”
The following 2 entries include the term !_Delphini.
ad usum Delphini
Latin phrase: for the use of the Dauphin : expurgated
in usum Delphini
Latin phraseLove words? Need even more definitions?
Merriam-Webster unabridged