Entry 3 senses · 2 variants Webster, 1913 Roup · IPA /ɹuːp/ v. i. & t. n. 01 v. i. & t. To cry or shout; hence, to sell by auction. 1. To cry or shout; hence, to sell by auction.[Scot.] 02 n. An outcry; hence, a sale of gods by auction. 1. An outcry; hence, a sale of gods by auction.[Scot.] “To roup, that is, the sale of his crops, was over.” — J. C. Shairp. 2. A disease in poultry. See Pip. See: Pip