pibal

[ pahy-buh l ]
/ ˈpaɪ bəl /

noun Meteorology.

the measurement and computation of the speed and direction of winds by theodolitic tracking of a pilot balloon.
Compare rabal.

Origin of pibal

pi(lot) bal(loon)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019