GNOMONS
- GNOMON, a part of a sundial [n]
- GNOMON, the pointer of a sundial [n]
- the raised part of a sundial that casts the shadow; a style
- early astronomical instrument consisting of a vertical shaft, column, or the like, for determining the altitude of the sun or the latitude of a position by measuring the length of its shadow cast at noon
- (formerly) the part of a parallelogram that remains after a similar parallelogram has been taken away from one of its corners