in usum Delphini /in ūˈzəm del-fīˈnī or ooˈsŭm del-fēˈnē/

1. Literally, for the use of the Dauphin
2. Toned down to suit the young, expurgated

• Petrarchist
• Petrarchize
• Petrarchized
• Petrarchizes
• Petrarchizing
• petraries
• petrary
• petre
• petrel
• petrels
• petres
• Petri dish
• petrifaction
• petrifactions
• petrifactive
• petrific
• petrification
• petrifications
• petrified
• petrifies
• petrify
• petrifying
• Petrine
• Petrinism
• Petri plate