1 adjective especially LAW, REL of official, judge etcceannais c m ui gceannasi bhfeighilthe presiding officialan t-oifigeach ceannais, an t-oifigeach atá i bhfeighil2 adjective literary influential, dominantceannais c m umór- prefthe presiding spirit of the agemórspiorad na linne, an spiorad a bhí i réim ag an am