Definition of "hobby" []

• An activity or interest pursued outside one's regular occupation and engaged in primarily for pleasure. (noun)
• Any of several small falcons of the genus Falco, formerly used for catching small birds or game. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "My main hobby is wagering on sports and I am okay at it and I do consider myself a sports bettor."
• "His main hobby is planting trees in his garden and then watching them grow, imagining what people will think of them in 100 years."
• "I am starting to cringe every time I hear the phrase "hobby farm.""