(linguistics) A set of concepts whose names are coordinate terms.

A city, the county seat of Jasper County, Indiana, United States, named after James Van Rensselaer. / A village in Ralls County, Missouri, United States, named after the nearby Rensselaer Academy.

(organic chemistry) A cyclitol with antidiabetic activity, first identified in the sugar pine (Pinus lambertiana).

To continue to discuss or explain something after ones listener has grasped what one is saying and does not wish to hear more.