(don) noun
1. A Spanish gentleman or nobleman.
2. An important personage.
3. Colloq. In English universities a head, residential fellow, or tutor of a college. [<Sp. <L dominus lord]

(don) v.t. donned, don·ning
To put on, as a garment. [Contraction of do on]

(don) noun
Seignior; sir: a title of respect or address, used with the given name in Spain and Spanish–speaking countries.

(don)
Short for DONALD.

(don)
1. A river in south central Russian S.F.S.R., flowing 1,222 miles south to the Sea of Azov: ancient Tanais.
2. A river in Aberdeenshire, Scotland, flowing 82 miles east to the North Sea.
3. A river in southern Yorkshire, England, flowing 70 miles to the Ouse.