nasociliary UK /ˌneɪ.zə(ʊ)ˈsɪl.i.ə.ɹi/US /ˌneɪ.zoʊˈsɪl.iˌɛɹ.i/ adjective2 •Of or pertaining to the nose and the eyelashes or eyelids. •Of or pertaining to the nasociliary nerve.