Wood pulp :  (noun)

1: wood that has been ground to a pulp; used in making cellulose products (as rayon or paper)

butter, cataplasm, crush, dental pulp, mash, mush, paper pulp, paste, pith, plaster, porridge, poultice, pudding, pulp, pulp lead, pulpwood, rag pulp, sauce, smash, sponge, squash, sulfate pulp, sulfite pulp, white lead,