A fortress at the end of a defile.
A narrow outlet from which a body of water pours.
To pour forth from a narrow opening; to emerge from a narrow place like a defile into open country or a wider space.
A region at a frontier governed by a marquess.
Any of various territories with similar meanings or etymologies in their native languages.
Steady forward movement or progression.
A formal, rhythmic way of walking, used especially by soldiers, bands and in ceremonies.
A political rally or parade
Any song in the genre of music written for marching (see Wikipedia's article on this type of music)
The feat of taking all the tricks of a hand.
To have common borders or frontiers
To make steady progress.
To walk with long, regular strides, as a soldier does.
To go to war; to make military advances.
To cause someone to walk somewhere.