Olive
Part of speech: noun
Definition: A evergreen tree, Olea europaea, cultivated since ancient times in the Mediterranean for its fruit and the oil obtained from it. The small oval fruit of this tree, eaten ripe (usually black) or unripe (usually green). The wood of the olive tree. A grayish green color, that of an unripe olive.
Part of speech: adjective
Definition: Of a greyish/grayish green colour/color, that of an unripe olive.
Khaki
Part of speech: adjective
Definition: being dust-coloured.
Part of speech: noun
Definition: a dull, yellowish-brown colour, the colour of dust.sometimes confusingly used as an abbreviation of khaki green.a strong cloth of wool or cotton, often used for military uniforms, used as a school uniform color.