uachtarach, a1. 1. Upper, top. An pháirt ~, the upper part. An t-urlár ~, the top floor. An ceann ~ den bhord, the upper end of the table. An giall ~, the upper jaw. An spéir ~, the upper sky. Talamh ~, elevated land, upland. 2. Higher, superior. Oifigeach ~, superior officer. An té is uachtaraí orthu, the person of highest rank among them. S.a. cúirt 1(b).