the starting point for a new state or experience; on the threshold of manhood'

the smallest detectable sensation

[ Syn: limen ]

the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close; he stuck his head in the doorway

[ Syn: doorway , door , room access ]

the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway

[ Syn: doorsill , doorstep ]

a region marking a boundary

[ Syn: brink , verge ]