Word.ws English Dictionary

treater

treater noun: one who or that which treats.

Noun

treater (plural treaters)

  1. One who or that which treats.
    • I don't know why I do things like that except that sometimes I think that the principal difference between the treater and the treatee is that the treater is in possession of the keys, if only in a symbolic sense […]2014, Martin Fleishman, The Casebook of a Residential Care Psychiatrist, page 58
  2. A vessel used to treat oil-water emulsions by any of several mechanisms so that the oil can be accepted by the pipeline or transport.

Forms of treater

pluraltreaters

Origin of treater

From treat + -er.

Words formed from treater

Questions about treater

What does treater mean?
Treater means one who or that which treats.
What part of speech is treater?
Treater is a noun.
What is the plural of treater?
The plural of treater is treaters.

Words near treater in the dictionary

  1. treated of
  2. treated with kid gloves
  3. treatedst
  4. treatee
  5. treatees
  6. treater
  7. treaters
  8. treatest
  9. treateth
  10. treatied
  11. treaties

Source and license

Adapted from Wiktionary: treater (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “treater.” Word.ws, https://word.ws/treater. Based on Wiktionary, CC BY-SA 4.0.