The Collaborative International Dictionary of English v.0.48:
Forenoon \Fore"noon"\, n. The early part of the day, from morning to meridian, or noon. [1913 Webster]WordNet (r) 3.0 (2006):
forenoon n 1: the time period between dawn and noon; "I spent the morning running errands" [syn: morning, morn, morning time, forenoon]