from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A spot or a stain caused by a discoloring substance: a blot of paint.
- n. A stain on one's character or reputation; a disgrace. See Synonyms at stain.
- n. The Northern, Southern, or Western blot analyses.
- transitive v. To spot or stain, as with a discoloring substance.
- transitive v. To bring moral disgrace to.
- transitive v. To obliterate (writing, for example).
- transitive v. To make obscure; hide: clouds blotting out the moon.
- transitive v. To destroy utterly; annihilate: War blotted out their traditional way of life.
- transitive v. To soak up or dry with absorbent material.
- intransitive v. To spill or spread in a spot or stain.
- intransitive v. To become blotted, soaked up, or absorbed.
- n. Games An exposed piece in backgammon.
- n. Archaic A weak point.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A blemish, spot or stain made by a coloured substance.
- n. A stain on someone's reputation or character; a disgrace.
- n. The Southern blot analysis (and derived Northern and Western) analytical techniques.
- n. an exposed piece in backgammon.
- v. to cause a blot (on something) by spilling a coloured substance.
- v. to soak up, or absorb liquid.
- v. to hide, obscure or obliterate something.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To spot, stain, or bespatter, as with ink.
- transitive v. To impair; to damage; to mar; to soil.
- transitive v. To stain with infamy; to disgrace.
- transitive v. To obliterate, as writing with ink; to cancel; to efface; -- generally with out. Often figuratively.
- transitive v. To obscure; to eclipse; to shadow.
- transitive v. To dry, as writing, with blotting paper.
- intransitive v. To take a blot.
- n. A spot or stain, as of ink on paper; a blur.
- n. An obliteration of something written or printed; an erasure.
- n. A spot on reputation; a stain; a disgrace; a reproach; a blemish.
- n. An exposure of a single man to be taken up.
- n. A single man left on a point, exposed to be taken up.
- n. A weak point; a failing; an exposed point or mark.
from The Century Dictionary and Cyclopedia
- 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.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. dry (ink) with blotting paper
- n. a blemish made by dirt
- v. make a spot or mark onto
- n. an act that brings discredit to the person who does it
Possibly from Low German blat, naked, unprotected.(American Heritage® Dictionary of the English Language, Fourth Edition)
Originally "blemish," perhaps from Old Norse blettr, or from Old French bloche ("clod of earth") (Wiktionary)