noun

• (music) A syllable used in solfège to represent the second note of a major scale.
• (in company names) Reinsurance.
• A municipality of Vestfold, Norway
• (rail transport) The station code of Rewari Junction railway station in India.
• (video games, slang) Clipping of rematch. [A repeated contest staged between the same opponents or teams which played a previous contest.]
• (marketing, branding) Clipping of reinsurance. (used in the branding of reinsurance company names) [(business, insurance) Insurance purchased by insurance companies that spreads the risk associated with selling insurance around so the danger of one large monetary loss is minimized.]
• (Egyptian mythology) Alternative form of Ra [(Egyptian mythology) The Egyptian god of the Sun.]
• Initialism of Royal Engineers, a regiment in the British Army.
• (computing theory) Abbreviation of recursively enumerable; the class of decision problems for which a 'yes' answer can be verified by a Turing machine in a finite amount of time
• Abbreviation of religious education. [The teaching of a particular religion, and its doctrines, beliefs etc.]
• Abbreviation of rare earth. [(chemistry) Any of the naturally occurring oxides of the lanthanide metals; they are widely distributed in relatively small concentrations and are used in glassmaking, ceramic glazes etc.]
• (biochemistry, genetics) Initialism of response element.
• Abbreviation of real estate. [(US, Canada, Australia) Property that cannot easily be moved, usually buildings and the ground they are built on.]
• Abbreviation of renewable energy. [Energy that is collected from renewable resources, such as wind, water, or the sun, usually and especially as applied to a category of electrical generation.]