'groundsheet' definitions:

Definition of 'groundsheet'

From: WordNet
noun
A waterproofed piece of cloth spread on the ground (as under a tent) to protect from moisture [syn: groundsheet, ground cloth]

Definition of 'groundsheet'

From: GCIDE
  • groundsheet \ground"sheet`\ (ground"sh[=e]t`), n. a piece of waterproofed cloth spread on the ground (as under a tent) to protect the occupants from moisture.
  • Syn: ground cloth. [WordNet 1.5]