xeranthemum
         n 1: any plant of the genus Xeranthemum native to southern
               Europe having chaffy or silvery flower heads with purplish
               tubular flowers

English Dictionary: Xeranthemum annuum	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
Xeranthemum annuum n mostly widely cultivated species of everlasting flowers having usually purple flowers; southern Europe to Iran; naturalized elsewhere Synonym(s): immortelle, Xeranthemum annuum
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Xeronate \Xe"ro*nate\, n. (Chem.)       A salt of xeronic acid.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
XRemote          A {serial line} protocol for the {X Window System}.