pongo

noun4

1. •
   (UK, slang) A soldier.
2. •
   (UK, slang) A lazy, good-for-nothing person.
3. •
   A river canyon or gorge in Peru, especially a narrow, deep one cutting through a ridge or mountain range, carved by an Andean river.

   • The result is again clearly shown in the topography of the valley wall which becomes bold, inclosing the river in narrow "pongos" or canyons filled with huge bowlders^([sic]) and dangerous rapids. — 1916
4. •
   (no longer used) Any large ape.

   • They—the pongos, the gorilla, the tschiego, and the chimpanzee—cannot be treated as animals, but must be associated with as men, […] — 1896