Entry 5 senses · 2 variants Webster, 1913 Retiary · Re·ti·a·ry · IPA /ˈɹiːʃɪəɹi/ n. a. 01 n. Any spider which spins webs to catch its prey. 1. Any spider which spins webs to catch its prey.(Zool.) 2. A retiarius. 02 a. Netlike. 1. Netlike. “This work is in retiary, or hanging textures.” — Sir T. Browne. 2. Constructing or using a web, or net, to catch prey; -- said of certain spiders. 3. Armed with a net; hence, skillful to entangle. “Scholastic retiary versatility of logic.” — Coleridge.