Definitions from Wiktionary ( )

▸ noun:  A blemish, spot or stain made by a coloured substance.
▸ noun:  (by extension) A stain on someone's reputation or character; a disgrace.
▸ noun:  (biochemistry) A method of transferring proteins, DNA or RNA, onto a carrier.
▸ noun:  (backgammon) An exposed piece in backgammon.
▸ verb:  (transitive) To cause a blot (on something) by spilling a coloured substance.
▸ verb:  (intransitive) To soak up or absorb liquid.
▸ verb:  (transitive) To dry (writing, etc.) with blotting paper.
▸ verb:  (transitive) To spot, stain, or bespatter, as with ink.
▸ verb:  (transitive) To impair; to damage; to mar; to soil.
▸ verb:  (transitive) To stain with infamy; to disgrace.
▸ verb:  (transitive) To obliterate, as writing with ink; to cancel; to efface; generally with out.
▸ verb:  (transitive) To obscure; to eclipse; to shadow.
▸ verb:  (transitive, MLE) To sell illegal drugs, to deal, to push.
▸ verb:  (backgammon, transitive) To hit a blot.

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