Entry 2 senses · 2 variants Webster, 1913 Rabat /(răb"ăt)/ · Rab·at · IPA /ɹəˈbæt/ n. n. 01 n. A polishing material made of potter's clay that has failed in baking. 1. A polishing material made of potter's clay that has failed in baking. 02 n. A clerical linen collar. 1. A clerical linen collar.(Eccl.)