Webster's Revised Unabridged Dictionary · 1913

Pap

Pap , noun

[Compare OSw. papp. Compare Pap soft food.]

1.
(Anatomy) A nipple; a mammilla; a teat. — Dryden
The paps which thou hast sucked. — Luke xi. 27
2.
A rounded, nipplelike hill or peak; anything resembling a nipple in shape; a mamelon. — Macaulay

Pap , noun

[Compare Dutch pap, German pappe, both perh. from Latin papa, pappa, the word with which infants call for food: compare Italian pappa.]

1.
A soft food for infants, made of bread boiled or softened in milk or water.
2.
Any speech, writing, or idea lacking substance, or of trivial content; oversimplified, trite, or worthless ideas.
3.
Nourishment or support from official patronage; as, treasury pap. [Colloquial & Contemptuous]
4.
The pulp of fruit. — Ainsworth

Pap , transitive verb

To feed with pap. — Beau. & Fl