What is Aider By Verdict?

Legal Definition
The healing or remission, by a verdict rendered, of a detect or error in pleading which might have been objected to before verdict. The presumption of the proof of all facts necessary to the verdict as it stands, coming to the aid of a record in which such facts are not distinctly alleged.
-- Black's Law Dictionary
Legal Definition
The curing by legal presumption of defects in pleading to which after verdict it is too late to object. See 16 Pick. (Mass.) 541.
-- Ballentine's Law Dictionary