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

  • n. The supporting part of a structure; the foundation.
  • n. The earth bank or bed supporting railroad tracks.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The supporting part of a structure (either physical or organizational; the foundation); underbuilding.
  • n. The earth or gravel that railway sleepers are embedded in.

from the GNU version of the Collaborative International Dictionary of English

  • n. Same as substruction.
  • n. An under structure; a foundation; groundwork.

from The Century Dictionary and Cyclopedia

  • n. A substruction; any under-structure; a foundation.

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

  • n. lowest support of a structure
  • n. the basic structure or features of a system or organization


Sorry, no etymologies found.



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