Lewis Short
(adjective) = μονόγραμμος: mŏnogrammus or -os, -on, , = , lit. of pictures
* That consist of lines merely, outlined, sketched; hence transf.
* Of incorporeal gods, shadowy: Epicurus monogrammos Deos et nihil agentes commentus est,Cic. N. D. 2, 23, 59.—Hence, as subst.: mŏnogrammus, i, m., comically, a skeleton, a shadow: monogrammi dicti sunt homines macie pertenues ac decolores: tractum a picturā, quae priusquam coloribus corporatur, umbra fingitur,Non. 37, 11 sq.; Lucil. ap. Non. l. l.
* A species of jasper: quae zmaragdo similis traversā lineā albā praecingitur et monogrammos vocatur,Plin. 37, 9, 37, § 118.
Charlton T. Lewis, Charles Short, A Latin Dictionary