speckle

noun

A speck or small spot, as a natural dot of color on skin, plumage, or foliage.

A little speck or spot; a speckled marking; the state of being speckled.

Color; hence, kind; sort.

To mark with specks or spots; fleck; speck; spot.

A little or spot in or anything, of a different substance or color from that of the thing itself.