Pronunciation: (af'tur-thôt", äf'-), [key]
1. a later or second thought; reconsideration.
2. reflection after an act; an appropriate explanation, answer, expedient, or the like, conceived of too late for the occasion.
3. something added, as a part or feature, that was not included in the original plan or design: The vestry was added to the church as an afterthought.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.