Definition of idents:
(n) :
An identification.
(n) :
An identifier.
(n) :
(radio, television) A brief audio or audiovisual sequence serving to identify the broadcaster.
(n) :
(Internet) A protocol serving to identify the user of a particular TCP connection, used especially on IRC networks.
(v) :
(aviation, intransitive) To activate the aircraft transponder identification feature.
(adj) :
(Now chiefly dialectal, Northern England, Scotland) Diligent; persistent.