n. an isolated rounded hill, sometimes one of two adjacent peaks resembling breasts.
1744  Then there is a Fork where two Branches meet, and on each Side, and at a considerable Distance, are two round Hills detached from the others, which they call Le deux Mamelles, or two Paps.
1760  Another land-mark of the Southern shore, is the double-headed mountain, called Les Mamelles de Matane, or Paps of Matane. . . .