Definitions

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

  • adj. Having an equilateral triangular cross section: a three-square file.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having a cross section in the form of an equilateral triangle; said especially of a kind of file.

from the GNU version of the Collaborative International Dictionary of English

  • adj. having three, five, etc., equal sides; as, a three-square file.
  • adj. Having a cross section in the form of an equilateral triangle; -- said especially of a kind of file.

from The Century Dictionary and Cyclopedia

  • See square.

Etymologies

Sorry, no etymologies found.

Examples

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