n. A spot or stain, as of ink on paper; a blur; a disfiguring stain or mark: as, “one universal blot,”n. A scoring out; an erasure or obliteration, as in a writing.n. A spot upon character or reputation; a moral stain; a disgrace; a reproach; a blemish.n. Imputed disgrace or stain; defamation: as, to cast a blot upon one's character.To spot, stain, or bespatter, as with ink, mud, or any discoloring matter.Figuratively, to stain as with disgrace or infamy; tarnish; disgrace; disfigure.To obliterate so as to render invisible or not distinguishable, as writing or letters with ink: generally with out: as, to blot out a word or a sentence.Hence To efface; cause to be unseen or forgotten; destroy; annihilate: followed by out: as, to blot out a crime, or the remembrance of anything.To darken or obscure; eclipse.To dry by means of blotting-paper or the like.To obliterate something written.To become blotted or stained: as, this paper blots easily.n. In backgammon: A single exposed piece which is liable to be forfeited or taken up.n. The exposure of a piece in this way.