from
The Collaborative International Dictionary of English v.0.48
Nomenclator \No"men*cla`tor\, n. [L., fr. nomen name + calare to
call. See {Name}, and {Calendar}.]
1. One who calls persons or things by their names.
[1913 Webster]
Note: In Rome, candidates for office were attended each by a
nomenclator, who informed the candidate of the names of
the persons whom they met and whose votes it was
desirable to solicit.
[1913 Webster]
2. One who gives names to things, or who settles and adjusts
the nomenclature of any art or science; also, a list or
vocabulary of technical names.
[1913 Webster]