(phytopathology) A plant disease marked by gradual decay. / A region of dead plant tissue caused by such a disease. / A worm or grub that destroys plant buds or leaves; cankerworm.

A village in Perth and Kinross council area, Scotland, historically in Perthshire (OS grid ref NN9153).

(mathematics) A neighborhood of a point in a space with an order, minus the point itself.

(organic chemistry) A diterpene alkaloid found in the plant Delphinium oreophilum.