khaki

1. A dull, yellowish-brown colour, the colour of dust.
2. Khaki green, a dull green colour.
3. A strong cloth of wool or cotton, often used for military or other uniforms.
4. A soldier wearing a khaki uniform.
5. A British person (from the colour of the uniform of British troops, originally in the Second Boer War; compare rooinek). (In this sense the plural generally is khakies.)
6. Khaki clothing or uniform, commonly in the plural.

   he was dressed in khaki, he was wearing his khakies

adjective

Dust-coloured; of the colour of dust.