Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
curcŭlĭo (gurgŭlĭo, Plaut. Trin. 4, 3, 9 Ritschl, Fleck.; Pall. 1, 19, 2; id. Jun. 3; also in some MSS. of the authors cited infra), ōnis, m. [kindr. with circulus, circus],
1. gurgŭlĭo, ōnis, m. [kindred with glutio; v. gurges, gula], the gullet, weasand, windpipe: hircus cervice et collo brevi, gurgatione longiore, Varr. R. R. 2, 3, 2; Cic. Fragm. Or. pro Tullio, 10; Lact. Op. D. 11; Arn. 3, 107: huic gurgulio est exercitor, Plaut. Trin. 4, 3, 9
2. gurgŭlĭo, ōnis, collat. form of curculio, q. v.