Abbreviation of Riau Islands, a province of Indonesia.

A small red worm or larva, used as bait for fish. / A young salmon or parr, in the stage in which it has transverse black bands, as if burned by a gridiron.

An achievement that is less than expected; underperformance.

(UK) A temporary court in England and Wales established to deal with the backlog of legal cases brought about by the COVID-19 pandemic that began in 2020.