WordReference Random House Unabridged Dictionary of American English © 2026
pi•bal
(pī′bəl),USA pronunciation n. [Meteorol.]
- Meteorologythe measurement and computation of the speed and direction of winds by theodolitic tracking of a pilot balloon. Cf. rabal.
- pi(lot) bal(loon)
'pibal' also found in these entries (note: many are not synonyms or translations):