wax paper

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Paper that has been made moistureproof by treatment with wax, used especially in cooking and for wrapping food for storage.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A semi-translucent, moisture-proof paper made with a waxy coating, used primarily for cooking and packaging.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun paper that has been waterproofed by treatment with wax or paraffin