#1 correspond v. [match, fit, check, jibe, gibe, tally, agree] be compatible, similar or consistent; coincide in their characteristics; "The two stories don't agree in many details"; "The handwriting checks with the signature on the check"; "The suspect's fingerprints don't match those on the gun". wn
#2 correspond v. [equate] be equivalent or parallel, in mathematics. wn
#3 correspond v. exchange messages; "My Russian pen pal and I have been corresponding for several years". wn
#4 correspond v. [represent, stand for] take the place of or be parallel or equivalent to; "Because of the sound changes in the course of history, an 'h' in Greek stands for an 's' in Latin". wn
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