1. Noun.  (databases) Binary large object; a data type that allows storage of binary data often of indeterminate length.
  2. Noun.  A shapeless or amorphous mass; a vague shape or amount, especially of a liquid or semisolid substance; a clump, group or collection that lacks definite shape.
  3. Noun.  In astronomy, a large cloud of gas. In particular, an '''extended Lyman-Alpha blob''' is a huge body of gas that may be the precursor to a galaxy.[].
  4. Noun.  (dialect) A bubble, a bleb.
  5. Noun.  A small freshwater fish (''Uranidea richardsoni''); the miller's thumb..

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This entry was last updated on RefTopia from its source on 3/20/2012.