/ Dictionary / Index E ECT: Meaning and Definition of Find definitions for: ECT Pronunciation: [key] electroconvulsive therapy. ect- Pronunciation: [key] var. ofbefore a vowel: ectal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ect (Thesaurus) ecstatic ectad Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language