n a line of text serving to indicate what the passage below it is about
n the direction or path along which something moves or along which it lies
n a horizontal (or nearly horizontal) passageway in a mine
v to go or travel towards
v be in charge of
v travel in front of; go in advance of others
v be the first or leading member of (a group) and excel
v direct the course; determine the direction of travelling
v take its rise
v be in the front of or on top of
v form a head or come or grow to a head
v remove the head of
