Added 9 October 2026 innervation /ɪn.əˈveɪ.ʃən/ noun Categories: Describing WordsRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about innervation at Wordnik → Where our words come from → The neural or electrical arousal of an organ or muscle or gland. The distribution of nerve fibers to an organ or body region. Related Words: neurostimulationnervurationneuroanatomymonoinnervationnervationnervatureneuron Back to today's word