Definition of "correspond"

correspond

/ˌkɔɹəˈspɑnd/

verb
third-person singular simple present corresponds, present participle corresponding, simple past and past participle corresponded
1. (intransitive, constructed with to) To be equivalent or similar in character, quantity, quality, origin, structure, function etc.
2. (intransitive, constructed with with) to exchange messages, especially by postal letter, over a period of time.
3. (obsolete) To have sex with.
  Quotations
  He pleaded guilty to the charge, so far as acknowledging that he had corresponded with other women lately, in order to get the better of his affection for me, but the experiment had failed, and he found that he should be for ever miserable.
  1751, Tobias Smollett, chapter 88, in The Adventures of Peregrine Pickle, volume III
  When a Babylonian and his wife had a mind to correspond, they always first lit up the fuming pan, imagining it improved the passion.
  1756, Thomas Amory, Life of John Buncle