Diploma \Di*plo"ma\, n.; pl. {Diplomas}. [L., fr. Gr. ?, fr. ?
to double, fr. diplo`os twofold. See {Double}.]
A letter or writing, usually under seal, conferring some
privilege, honor, or power; a document bearing record of a
degree conferred by a literary society or educational
institution.
[1913 Webster]