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2.
a microwave that has been modified to be able to "wave" larger items.
Dude, just macrowave the full size watermelon.
by spielll June 21, 2010
 
1.
Device similar to the microwave which uses MACROwaves to cool food items.
Hey marsh, can you please put my soda in the macrowave for 30 seconds to make it a bit colder.
by polarbigi March 16, 2007
 
3.
A macintosh computer that will cook itself after realising it's not running windows OS.
Guy 1: hey isn't that your computer steaming?

Guy 2: nah, it's a macrowave.
by DanlikesLaura June 18, 2009
 
4.
Like a Microwave except for hip people because it's made by Apple.
Cool Guy: I gotta heat up my no name instant noodles, can I use your MACrowave

Dork: Huh?

Cool Guy: Aww don't tell me you're still using a microwave, I bet you use a Zune and a PC too.
by VegaIndian February 03, 2011
 
5.
a really big microwave (typically industrial, or just large due to it's age)
"takes about 20 minutes to cook a hotdog in that macrowave"
by protocoldroid June 21, 2004