from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. to open (a door, gate etc.)

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To open.

from The Century Dictionary and Cyclopedia

  • To open.
  • n. A trough used in South Africa for sheep-washing.


Blend of do and up, from Middle English don upĀ ("to open"). Compare don, doff, dout. (Wiktionary)


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