Wordnet 3.0
NOUN (2)
1.
a quotation at the beginning of some piece of writing;
2.
an engraved inscription;
The Collaborative International Dictionary of English v.0.48:
Epigraph \Ep"i*graph\, n. [Gr. ?, fr. ?: cf. F. ['e]pigraphe.
See Epigram.]
1. Any inscription set upon a building; especially, one which
has to do with the building itself, its founding or
dedication.
[1913 Webster]
2. (Literature) A citation from some author, or a sentence
framed for the purpose, placed at the beginning of a work
or of its separate divisions; a motto. Epigraphic
WordNet (r) 3.0 (2006):
epigraph
n 1: a quotation at the beginning of some piece of writing
2: an engraved inscription