ad = to/for
pulchra = beautiful, fair, noble, honorable, excellent, or beauty
I'd say probably best as:
to (or for) the beautiful (or noble)
Depends on the context, of course.
The Latin phrase ad pulchra means literally "for beauty".
How beautiful the tunic is!
pulchra gratia
Nassella pulchra was created in 1915.
Auriculella pulchra was created in 1868.
Onceropyga pulchra was created in 2005.
Eurydice pulchra was created in 1815.
Utricularia pulchra was created in 1977.
Epicrocis pulchra was created in 1997.
Phrynella pulchra was created in 1887.
Diphtherocome pulchra was created in 1912.
Nepenthes pulchra was created in 2011.