Yapura

Yapura, an affluent of the Amazon, which rises in Columbia; has a course of 1750 m., and is navigable to steamers for 970 m.

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

Yankee * Yarkand
[wait for the fun]
Yahoo
Yajur-Veda
Yaksha
Yakutsk
Yale University
Yama
Yambo
Yanaon
Yang-tsze-kiang
Yankee
Yapura
Yarkand
Yarmouth
Yarrell, William
Yarrow
Yates, Edmund
Yeddo
Yellow Sea
Yellowstone, the
Yellowstone National Park
Yemen