Pregel

Pregel, a navigable river in E. Prussia, 120 m. long and 730 ft. broad, which falls into the Frische Haff below Königsberg.

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

Predicables * Prejevalski, Nicholas
[wait for the fun]
Prairie
Prakrit
Pratique
Praxiteles
Praying-Wheels
Pre-Adamites
Precession of the Equinoxes
Précieuses Ridicules
Predestination
Predicables
Pregel
Prejevalski, Nicholas
Pre-Raphaelitism
Presburg
Presbyopia
Presbyterianism
Prescott, William Hickling
Present Time
President of the United States
Press-Gang
Pressensé, Edmond de