Yes, brown is a Scrabble word!

Verb

1. Fry in a pan until it changes color

2. Make brown in color

Adjective

1. Of a color similar to that of wood or earth

2. (of skin) deeply suntanned

Noun

1. An orange of low brightness and saturation

2. Scottish botanist who first observed the movement of small particles in fluids now known a Brownian motion (1773-1858)

3. Abolitionist who was hanged after leading an unsuccessful raid at Harper's Ferry, Virginia (1800-1859)

4. A university in Rhode Island