(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.

(aviation, aerodynamics) To experience Mach tuck.

Alternative letter-case form of Eustachian tube.

(medicine) A disorder in which pressure abnormalities in the middle ear result in symptoms.

(medicine, anatomy) A congenital ear condition which often presents as a thickening of the helix at the junction of the upper and middle thirds.

Alternative spelling of slack tub

A surname.

Alternative spelling of hog-tub

A trough or vat where pigs or other domestic beasts shall drink from, also a place where slaughtered pigs were soaked in boiling water in order that their bristles can be scraped off, sometimes also filled with refuse or used for an other purpose.

(zoology) A North American subspecies of gray wolf native to the barren grounds of the Arctic coastal tundra region.