(informal in Portugal, literary, archaic or regional in Brazil) you; thou (singular second person pronoun) / (Brazil, colloquial, proscribed) second-person singular prepositional pronoun;

(onomatopoeia) the sound produced by a telephone after one of the callers hangs up

(music) tuba (a large brass musical instrument)

(geography) tundra (flat, treeless region around the Arctic)

(music) a college singing group, wearing ornate clothes

inflection of tunar:
/ inflection of tunar:

tubular (shaped like a tube)

(oncology, pathology) tumor (an abnormal growth)

(anatomy) Fallopian tube (duct in female mammals through which ova pass from the ovaries to the uterus)