Added 10 October 2026 ct noun Categories: PlacesActionsEveryday Words noun ! Definition from WordNet 3.1, Princeton University. More about ct at Wordnik → Where our words come from → A New England state; one of the original 13 colonies. A method of examining body organs by scanning them with X rays and using a computer to construct a series of cross-sectional scans along a single axis. Related Words: catrsasmacconvigcmyelotomogram Back to today's word