REU

The abbreviation REU is a TLA with one of several meanings, depending on context:RAM Expansion Unit – the Commodore 1700/1750/1764 series of memory expansion cartridges for Commodore 64/128  home computersResearch Experiences for Undergraduates – a U.S.  National Science Foundation program for students to take part in active researchRestricted Enforcement Unit, a UK government committee which controls exports of illegal military material from the United KingdomReus Airport in Catalonia, Spain
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Reu or Ragau ( "Behold") in Genesis was the son of Peleg and the father of Serug, thus being Abraham's great-great-grandfather. He was 32 when Serug was born and lived to the age of 239.He is said to have been born at the time when the Tower of Babel was begun.
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n. compunction, contriteness, remorse, repentance, regretfulness, uneasiness of conscience, feeling sorry, sorrow

v. regret, feel sorrow, feel remorseful, repent, mourn, grieve

v. get back, return

n. delinquent; respondent, defendant; culprit

n. dog