Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To order (goods) in advance, before they are available.
  • n. A binary relation that is reflexive and transitive.
  • adj. Of a tree traversal, recursively visiting the root before the left and right subtrees.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To order to arrange beforehand; to foreordain.

from The Century Dictionary and Cyclopedia

  • To order or arrange beforehand; prearrange; foreordain.

Etymologies

pre- +‎ order (Wiktionary)

Examples

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