Definition of "baro" [baro]

• An element in certain compound scientific terms, implying heaviness. (noun)
• A sort of blouse or loose shirt, usually brightly colored, worn by natives of the Philippine Islands. (noun)

The Century Dictionary (Public Domain)

• "Joints consist of sensory nerves called baro-receptors."
• "Altitude readout from RADALT is commonly referred to as AGL (above ground level) and differs from MSL (mean sea level) altitude, which is provided by the barometric altimeter, commonly called the “baro.”"
• "Most civilian aircraft, both commercial and private, use baro altimeter readings in MSL as their reference."