A brown or darkened shade of skin caused by exposure to sunlight or artificial UV light. After a week at the beach, she returned home with a deep tan.
He chose a tan suit for the summer wedding.
A type of leather that is light brown in color. The craftsman used tan leather to make the new handbag.
The trigonometric function tangent, equal to sine divided by cosine; written as tan x. In trigonometry, tan 45° equals 1.