What does "pap" mean?

Pap: 2. A rounded, nipplelike hill or peak; anything resembling a nipple in shape; a mamelon. Macaulay.

Additional senses

  1. 2.A soft food for infants, made of bread boiled or softtened in milk or water.
  2. 3.Nourishment or support from official patronage; as, treasury pap. [Colloq. & Contemptuous]
  3. 4.The pulp of fruit. Ainsworth.
  4. 5.To feed with pap. Beau. & Fl.

Sources