Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
rētĭāculum, i, v. reticulum.
rētĭcŭlum, i, n. (collat. form rētĭ-cŭlus, i, m., Varr. R. R. 3, 5, 13; Fenest. ap. Non. 221, 33; Petr. 67, 6; Plin. 12, 14, 32, § 59; also rētĭācŭlum, i, Vulg. Exod. 38, 5 et saep.), dim. [rete], a little net, a cloth made like a net, a net-work bag for carrying or keeping any thing in, a reticule, Cic. Verr. 2, 5, 11, § 27; Hor. S. 1, 1, 47; Juv. 12, 60; a fishing-net: venari reticulo in medio mari, Plaut. As. 1, 1, 87; a strainer, colander, Sen. Q. N. 7, 19, 1; a net used in playing ball, Ov. A. A. 3, 361; a net-work cap for confining the hair, worn by women and effeminate men, Varr. L. L. 5, § 130 Müll.; id. ap. Non. 542, 12; Quadrig. ap. Non. 222, 2; Petr. 67, 6; Capitol. Max. Jun. 1 fin.; Fest. p. 286 Müll.; Juv. 2, 96; Lampr. Heliog. 11 fin.; for covering the mouth, Plin. 12, 14, 32, § 59; net-work, Varr. R. R. 3, 5, 13; for the covering of a vessel: amphora ex reticulo suspensa, Dig. 9, 3, 15, § 12: aeneum, brass lattice-work, acc. to Fest. p. 348 Müll.
In form retiaculum, Vulg. Exod. 38, 5; 39, 39; id. 3, Reg. 7, 17 al.; the caul or omentum covering the intestines, id. Exod. 29, 13 al.