Open English Wordnet
Nouns
(n)heading, header, heada line of text serving to indicate what the passage below it is about“the heading seemed to have little to do with the text” (n)bearing, heading, aimthe direction or path along which something moves or along which it lies (n)drift, heading, gallerya horizontal (or nearly horizontal) passageway in a mine“they dug a drift parallel with the vein”