Noctograph
Pronunciation : Noc"to*graph
Part of Speech : n.
Etymology : [L. nox, noctis, night + -graph.]
Definition : 1. A kind of writing frame for the blind.
2. An instrument or register which records the presence of watchmen on their beats. Knight.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder