thun·der·boom·er 
(thŭndər-b′mər)
(thŭndər-b′mər)n.
Informal
Informal
A thunderstorm.
- Gaius Julius Caesar.
- Gaius Plinius Secundus.
- Gaius Sallustius Crispus.
- Gaius Suetonius Tranquillus.
- Gaius Valerius
- gal
- gal
- gal.
- Gal.
- gala
- Gala
- galabia
- galabia
- galact-
- galact-
- galactic
- galactic cluster
- galactic coordinate system
- galactic equator
- galactic halo
- galactic noise
- galactic nucleus
- galacto-
- galactopoiesis
- galactopoietic