Xebec

Xebec, a small three-masted vessel with lateen and square sails, used formerly in the Mediterranean by the Algerine pirates, and mounted with guns.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Xavier, St. Francis * Xenien
[wait for the fun]
Wykeham, William of
Wynnad
Wyntoun, Andrew of
Wyoming
Wyoming Valley
Wyss, Johann Rudolf
Wyvern
Xanthus
Xantippe
Xavier, St. Francis
Xebec
Xenien
Xenocrates
Xenophanes
Xenophon
Xeres
Xerxes
Xesibeland
Ximenes de Cisneros, Francisco
Xingu
Xucar