Used to describe an object (The man with the long hair)
Usually used with an adjective
No prepositions used
Example: vir summo ingenio (latintutorial)
Translation: The man of highest talent
Summo is the adjective that goes along with ingenio, the ablative
Can also be translated using “with”
Honestissimo patre- With the most honest father
Honestissimo is a superlative so it tranlates to "the most honest"