Merriam-Webster's Collegiate® Dictionary, 11th Edition
PULP
I. noun
Etymology: Middle English pulpe, from Latin pulpa flesh, pulp
Date: 14th century
1. a. the soft, succulent part of a fruit usually composed of mesocarp, stem pith when soft and spongy, a soft mass of vegetable matter (as of apples) from which most of the water has been extracted by pressure, the soft sensitive tissue that fills the central cavity of a tooth, a material prepared by chemical or mechanical means from various materials (as wood or rags) for use in making paper and cellulose products, pulverized ore mixed with water,
3. pulpy condition or character, something in such a condition or having such a character, a magazine or book printed on cheap paper (as newsprint) and often dealing with sensational material, pulpiness noun pulpy adjective
II. verb
Date: 1683
transitive verb to reduce to pulp , to cause to appear pulpy, to deprive of the pulp, intransitive verb to become pulp or pulpy, pulper noun