asper, a. [OE. aspre, OF. aspre, F. âpre, fr. L. asper rough.].
asper, n. [F. aspre or It. aspro, fr. MGr. 'a`spron, 'a`spros, white (prob. from the whiteness of new silver coins).].
A Turkish money of account (formerly a coin), of little value; the 120th part of a piaster. [1913 Webster]