Collins Concise English Dictionary © HarperCollins Publishers::

start up vb (adverb)
  1. to come or cause to come into being for the first time; originate
  2. (intransitive) to spring or jump suddenly from a position or place
  3. to set in or go into motion, activity, etc: he started up the engine, the orchestra started up
adj start-up
  1. of or relating to input, usually financial, made to establish a new project or business
n start-up
  1. a business enterprise that has been launched recently



'start up' also found in these entries:
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