Definition of daytrade:
(n) :
Alternative form of day trade. [(business, finance) A transaction in which units of stock or other investment instruments are purchased and then sold within a single market day.]
(v) :
Alternative form of day trade. [(business, finance) To engage, as a deliberate investment strategy, in the very short-term trading of stocks or other securities, by selling any given security within the same market day during which it was purchased.]