rule1, s.1Riail f -ach. aTo set sth. down as a rule, riail a dhéanamh de rud. As a (general) rule, de ghnáth. It is the rule to . . ., is é an gnás atá ann go . . . To do everything by rule, gach rud a dhéanamh de réir rialach. Rule of thumb, riail láimhe. Mth: Rule of three, riail na dtrí. bTo make it a rule to..., gnás a dhéanamh de go... Rules of conduct, rialacha iompair. cRules and regulations, rialacha agus rialacháin. The rules of the game, rialacha an chluiche. That is against the rules, tá sin in aghaidh na rialacha. 2The Rule of the Road, gnás an bhealaigh. 3Ceannas m, tiarnas m. To bear rule, bheith i gceannas. Under the rule of a tyrant, faoi smacht tíoránaigh. 3Jur: Riail f. Rule of court, riail chúirte. 4aRiail f. Carpenter's rule, bacart m. Folding rule, riail infhillte. bSurv: Sighting rule, riail treorach. 5Typ: a(Brass) rule, riail (phráis). bEm-rule, fleasc f. En-rule, fleiscín f.
rule2,Iv.tr.1Rialaím. To rule over a nation, náisiún a rialú. To rule one's passions, srian a choimeád le do mhianta. To be ruled by s.o., bheith ar teaghrán, faoi smacht, ag duine. 2Jur: etc: Rialaím. To rule sth. out of order, a rialú go bhfuil rud as ord. 3Líním (an páipéar). To rule a line, líne a tharraingt le riail. IIv.i.Prices are ruling high, tá praghsanna ag fanacht ard. The prices ruling in Dublin, na praghsanna atá i bhfeidhm i mBaile Átha Cliath.