bevel
noun
the inclination that one line or surface makes with another when not at right angles.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The walls were covered with unbeveled and unpainted boards which were scribbled all over with names, dates jokes and caricatures, done in charcoal or rouge paint.
From The Comedienne by Edmund Obecny