• Webster's Revised Unabridged Dictionary
    • n Headnote A note at the head of a page or chapter; in law reports, an abstract of a case, showing the principles involved and the opinion of the court.
    • ***
Century Dictionary and Cyclopedia
    • n headnote A note or remark placed at the head, as of a chapter or page; specifically, a brief and condensed statement introductory to a report of a legal decision, stating the principles of law to be deduced from the decision to which it is prefixed, or the facts and circumstances which bring the case in hand within the principle or rule of law or of practice which the court applied; a syllabus.
    • n headnote See head-tone and head-voice.
    • ***


In literature:

I can't have you taking advantage of Mr. HEADNOTE's good-nature like that.
"Punch, Or The London Charivari, Vol. 103, September 10, 1892" by Various

In news:

Does Grandpa Joe archive all of your family's facts and dates in his head—not to mention all those lesser-known scintillating tidbits.