A narrow hall or passage with rooms leading off it, as in a building or in a railway carriage.
Airspace restricted for the passage of aircraft.
The covered way lying round the whole compass of the fortifications of a place.
The land near an important road, river, railway line
A restricted tract of land that allows passage between two places.
A connected set of flights of stairs; a stairwell.
A flight of stairs; a stairway.
A set of locks (enclosed sections of waterway) mounted one above the next.
To modify (a signal, a graph, etc.) to reduce a smooth curve to a series of discrete steps.
To increase one's share in a co-ownership.