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A third person singular present tense of do1.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
archaic or dialect (used with the pronouns: he, she, or it or with a noun) a singular form of the present tense of do1
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
do1(du; unstressed dʊ, də)
v.andauxiliary v., pres. sing. 1stand2nd pers. do, v.t.
1. to perform (an act, duty, role, etc.).
2. to execute (a piece or amount of work): to do a hauling job.
3. to accomplish; finish: He has already done it.
4. to put forth; exert: Do your best.
5. to be the cause of (good, harm, credit, etc.); bring about; effect.
6. to render, give, or pay (homage, justice, etc.).
7. to deal with, fix, clean, arrange, etc., (anything) as the case may require: to do the dishes.
8. to travel; traverse: We did 30 miles today.
9. to serve; suffice for: This will do us for the present.
10. to condone or approve, as by custom or practice: That sort of thing simply isn't done.
11. to travel at the rate of (a specified speed).
12. to make or prepare: I'll do the salad.
13. to serve (a term of time) in prison, or, sometimes, in office.
14. to create or bring into being: He does wonderful portraits.
15. to translate or change the form of: They did the book into a movie.
16. to study or work at or in the field of: I have to do my math tonight.
17. to explore or travel through as a sightseer: They did Greece in 3 weeks.
18. to use (drugs), esp. habitually.
19. Slang. to rob; steal from: The law got him for doing banks.v.i.
20. to act or conduct oneself; behave.
21. to proceed: to do wisely.
22. to get along; fare; manage: to do without an automobile.
23. to be in a specified state of health: Mother and child are doing fine.
24. to serve or be satisfactory, as for the purpose; be enough; suffice: Will this do?
25. to finish or be finished.
26. to happen; take place; transpire: What's doing at the office?
27. (used as a substitute to avoid repetition of a verb or full verb expression): I think as you do.auxiliary v.
28. (used in interrogative, negative, and inverted constructions): Do you like music? I don't care. Seldom does one see such greed.
29. (used to lend emphasis to a principal verb): Do visit us!
30. do away with,
a. to put an end to; abolish.
b. to kill.
31. do for,
a. to cause the defeat, ruin, or death of.
b. to keep house for; manage or provide for.
32. do in,
a. to kill; murder.
b. to exhaust.
33. do out of, Informal. to swindle; cheat.
34. do over, to redecorate.
35. do up,
a. to wrap and tie up.
b. to pin up or arrange (the hair).
c. to renovate or clean.
d. to fasten: Do up your coat.
e. to dress: They were all done up in costumes.
36. do with, to benefit from; use.
37. do without, to forgo; dispense with.n.
38. Informal. a burst of frenzied activity; commotion.
39. Informal. a hairdo.
40. Brit. Slang. a swindle; hoax.
41. a festive affair; party.Idioms:
1. do or die, to make a supreme effort.
2. dos and don'ts, customs, rules, or regulations.
[before 900; Middle English, Old English dōn; c. Old Saxon dōn, Old High German tuo(a)n; akin to Latin -dere to put (see add), facere to make, do]
n., pl. dos.
the musical syllable used for the first note of an ascending diatonic scale.
[1745–55; < Italian, inverted variant of ut; see gamut]
1. Also, d.o. direct object.
2. Doctor of Optometry.
3. Doctor of Osteopathy.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.