riabhach1, f. (gs. -aí, npl. ~a, gpl. ~). Brindled cow. Laethanta na riabhaí, spell of cold weather at end of March (or, variably, at beginning of April).
riabhach2, a1. 1. Streaked, striped; brindled. Bó ~, brindled cow. Cat ~, tabby cat. S.a. dubh23. 2. (Speckled) grey. Súile ~a, grey eyes. 3. Dun, drab. Éide ~, drab clothing. 4. Dull, gloomy; dismal, wretched. Lá ~, grey day. Aimsir ~, dismal, variable, weather. Tá an scéal go ~ acu, things are in a bad way with them. Tá go ~! It is too bad!