report (n.)

late 14c., "an account brought by one person to another; rumor, gossip," from Old French report "pronouncement, judgment" (Modern French rapport), from reporter "to tell, relate" (see report (v.)).

By early 15c. as "informative statement by a reputable source, authoritative account." In law, "formal account of a case argued and determined in court," by 1610s. The meaning "formal statement of results of an investigation" is attested by 1660s; sense of "teacher's official statement of a pupil's work and behavior" is from 1873 (report card in the school sense is attested by 1913, American English). The meaning "resounding noise, sound of an explosion or of the discharge of a firearm" is from 1580s.  

report (v.)

late 14c., "to make known, tell, relate," from Old French reporter "to tell, relate; bring back, carry away, hand over," from Latin reportare "carry back, bear back, bring back," figuratively "report," in Medieval Latin "write (an account) for information or record," from re- "back" (see re-) + portare "to carry" (from PIE root *per- (2) "to lead, pass over"). Early 15c. as "to submit" (to an authority, etc.). Meaning "to name someone as having offended somehow" is from 1885.

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Definitions of report from WordNet
report (n.)
a written document describing the findings of some individual or group;
Synonyms: study / written report
report (n.)
the act of informing by verbal report;
he heard reports that they were causing trouble
Synonyms: account
report (n.)
a short account of the news;
the report of his speech
Synonyms: news report / story / account / write up
report (n.)
a sharp explosive sound (especially the sound of a gun firing);
they heard a violent report followed by silence
report (n.)
a written evaluation of a student's scholarship and deportment;
his father signed his report card
Synonyms: report card
report (n.)
an essay (especially one written as an assignment);
Synonyms: composition / paper / theme
report (n.)
the general estimation that the public has for a person;
he was a person of bad report
Synonyms: reputation
report (v.)
to give an account or representation of in words;
Synonyms: describe / account
report (v.)
announce as the result of an investigation or experience or finding;
The team reported significant advances in their research
Dozens of incidents of wife beatings are reported daily in this city
report (v.)
announce one's presence;
I report to work every day at 9 o'clock
report (v.)
make known to the authorities;
One student reported the other to the principal
report (v.)
be responsible for reporting the details of, as in journalism;
Snow reported on China in the 1950's
Synonyms: cover
report (v.)
complain about; make a charge against;
I reported her to the supervisor