noct

n. Somnambulism.
Syn. -- sleepwalking; noctambulation. [ 1913 Webster ]

n. A somnambulist; a sleepwalker. [ 1913 Webster ]

n. A noctambulist; a sleepwalker. [ Obs. ] [ 1913 Webster ]

a. [ L. nox, noctos, night + dies day. ] Comprising a night and a day; as, a noctidial day. [ R. ] Holder. [ 1913 Webster ]

a. [ L. noctifer; nox, noctis + ferre to bring. ] Bringing night. [ Obs. ] Johnson. [ 1913 Webster ]

n. [ Etymol. uncertain. ] (Zool.) A South American bat of the genus Noctilio, having cheek pouches and large incisor teeth. [ 1913 Webster ]

‖n.; pl. Noctilucae [ L. noctiluca something that shines by night, fr. nox, noctis, night + lucere to shine, lux light. ] 1. (Old Chem.) That which shines at night; -- a fanciful name for phosphorus. [ 1913 Webster ]

2. (Zool.) A genus of marine flagellate Infusoria, remarkable for their unusually large size and complex structure, as well as for their phosphorescence. The brilliant diffuse phosphorescence of the sea is often due to myriads of Noctilucae. [ 1913 Webster ]

n. (Zool.) A fatlike substance in certain marine animals, to which they owe their phosphorescent properties. [ 1913 Webster ]