WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a heading of a subdivision of a text
Word Usage
"This week's honorable-mentions subhead is by Roy Ashley; the headline on the supplement ( "Limplants") is by Mae Scanlan. in which we supplied six lines, any of which you were to use as either Line 3 or Line 4 of a limerick."