Hardworking word-lovers everywhere can now learn the meaning of the word staycation ("a vacation spent at home or nearby") along with nearly 100 other new words and senses added to Merriam-Webster's Collegiate Dictionary, Eleventh Edition. America's best-selling dictionary offers its new 2009 entries in its updated print edition and online here at Merriam-Webster.com.

Many of the new words address: concerns about the environment (carbon footprint, green collar), government activities (earmark, waterboarding), health and medicine (cardioprotective, locavore, naproxen, neuroprotective), pop culture (docusoap, fan fiction, flash mob, reggaeton), online activities (sock puppet, vlog, webisode), as well as several miscellaneous terms such as haram, memory foam, missalette, and zip line.