ˈdelfə̇n adjective
Usage: capitalized
Etymology: from the Delphin classics; Delphin from Medieval Latin delphinus dauphin, from Middle French dalphin; from the words in usum Serenissimi Delphini “for the use of the most serene Dauphin” inscribed on the title page — more at dauphin
: of or relating to the Delphin classics, an edition of the Latin classics prepared in the reign of Louis XIV of France