'fiberglass' definitions:

Definition of 'fiberglass'

From: WordNet
noun
A covering material made of glass fibers in resins [syn: fiberglass, fibreglass]

Definition of 'fiberglass'

From: GCIDE
  • fiberglass \fiberglass\ n. a material made of fine glass fibers woven into a fabric-like form, and used in applications requiring heat resistance; it is also embedded in resins to make a pliable but strong composite material used as the main component of fishing rods and boat hulls, and replacing the sheet metal in some automobile bodies. [Also spelled fibreglass, mostly British in usage.] [WordNet 1.5] Fiberless