A picture rail is a continuous narrow piece of wood which is fixed round a room just below the ceiling. Pictures can be hung from it using string and hooks.
[mainly British]
picture rail in British English
(ˈpɪktʃə reɪl)
noun
a narrow strip of wood on a wall, from which you can hang pictures
Designed to hang from a picture rail, these pictures have one adjustable hook.
Examples of 'picture rail' in a sentence
picture rail
The house has charming fireplaces, picture rails and original doors.