Oases

Oases, fertile spots in a desert due to the presence of springs or water near at hand underground; met with in the deserts of North Africa, Arabia, and Gobi.

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

Oakum * Oates, Titus
Nyassa, Lake
Nyassaland
Nyâya
Nymphs
Nynee Tal
Nyx
Oakham
Oakland
Oaks, The
Oakum
Oases
Oates, Titus
Obadiah
Oban
Obeid
Obelisk
Ober-Ammergau
Oberlin, Jean Friedrich
Oberon
Obi
Objective