A combination of the words 'meh' and 'so-so' Meso Meso uses both words to convey a feeling of mediocrity in mood.
by Darkingfire January 12, 2012

by TheLegend June 04, 2005

by cullen hallman August 08, 2007

In Maple Story, the currency. You can get mesos from defeating monsters, a drop fest, or from trading.
by MisaTange July 08, 2009

Meso is the little "cute but suspicious" guy from the anime series known as Sexy Commando Gaiden or Sexy Commando, Sugoyiio Masaru-san!.
(See Sexy Commando Gaiden: Sugoiyo)
(See Sexy Commando Gaiden: Sugoiyo)
by maruree July 11, 2006

Short-form for mesocyclone. The Mesocyclone is the part of the thunderstorm that rotates and can produce a tornado. A meso can often be detected on radar or by seeing the wall cloud if you are storm chasing.
by SarahJS May 22, 2006

Mesoderm, Mesoeconomic.
by DmytriKleiner September 22, 2005
