1. Mach tuck - Noun
2. Mach tuck - Verb
Mach tuck (uncountable)
(aviation, aerodynamics) A change in an aircraft's pitching tendency at transonic speeds, often manifesting as a strong tendency to pitch down into a dive.
Mach tuck (third-person singular simple present Mach tucks, present participle Mach tucking, simple past and past participle Mach tucked)
(aviation, aerodynamics) To experience Mach tuck.