Q. What are tee-shirt mean?

A collarless short-sleeved or sleeveless undershirt is generally made of cotton and an outer shirt of the same style. Which is the correct T-shirt or shirt? Although this term has other spellings a T-shirt (with a capital T and a hyphen) is the most common. In most cases you should utilize it because the shirt is shaped like a capital T. Remembering that a T-shirt is the correct form should be straightforward.