from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A light firm spongy rubber made by beating air into latex and then curing it. Foam rubber has a wide range of uses including upholstery and insulation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Expanded latex.
  • n. Expanded polyurethane, the padding often used in cars and furniture.

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

  • n. spongy rubber; made by introducing air bubbles before vulcanization and used for cushioning or upholstery


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