Definitions

buff¹

bʌf/

noun

1. 1.

   a yellowish-beige colour.

   "a buff envelope"
2. 2.

   a stout dull yellow leather with a velvety surface.

verb

1. 1.

   polish (something).

   "he buffed the glass until it gleamed"

   synonyms:

   polish, burnish, rub up, rub, smooth, shine, wipe, clean "Victor buffed the glass until it gleamed"

adjective

NORTH AMERICANinformal

1. 1.

   (of a person or their body) in good physical shape with well-developed muscles.

   "the driver was a buff blond named March"

(Wikipedia, 12/03/15)