Gallows

Schroeder (1991) calls the Ceiling Function symbols $\lceil$ and $\rceil$ the ``gallows'' because of their similarity in appearance to the structure used for hangings.

See also Ceiling Function

References

Schroeder, M. Fractals, Chaos, Power Laws: Minutes from an Infinite Paradise. New York: W. H. Freeman, p. 57, 1991.