1 noun MIL soldierfairtheoir masc3 c m uto post a sentryfairtheoir a chur ar postto be on sentry dutybheith ag fairtheoireacht, bheith ar garda2 noun person, animalfairtheoir masc3 c m ugarda masc4 c m ushe stood there as a sentrysheas sí ansin mar gharda, sheas sí ansin ag faire