noun.
A short account of an interesting or humorous incident.
noun.
Secret or hitherto undivulged particulars of history or biography.
The Century Dictionary and Cyclopedia
noun.plural Secret history; facts relating to secret or private affairs, as of governments or of individuals: often used (commonly in the form anecdota) as the title of works treating of such matters.
noun.
A short narrative of a particular or detached incident or occurrence of an interesting nature; a biographical incident; a single passage of private life.
the GNU version of the Collaborative International Dictionary of English
noun.
Unpublished narratives.
noun.
A particular or detached incident or fact of an interesting nature; a biographical incident or fragment; a single passage of private life.