retiary /ˈɹiːʃɪəɹi/adjective 3noun 2forms 1 adjective3 •net-likeAnd, beside this kind of work in retiary and hanging textures — 1658 •Armed with a net; hence, skilful at entangling. •(no longer used) Constructing or using a web, or net, to catch prey; said of certain spiders. noun2 •(historical) A retiarius: a gladiator who fought with a net. •Any spider that spins webs to catch its prey. formsretiaries