noun
plural tans
[count] :a browning of the skin that is caused by the sun's rays
[count, noncount] :a light brown color - see color picture
verb
tans; tanned; tanning
[+ obj] :to cause (skin) to become darker especially from being exposed to the sun's rays
[no obj] :to become darker especially from being exposed to the sun's rays
[+ obj] :to change (the skin of an animal) into leather by a chemical process
[+ obj] informal + old-fashioned :to beat or whip (someone) very badly
adjective
[more ~; most ~]
having skin that has been made darker by being exposed to the sun's rays
having a light brown color