bilevel

Adjective

 * 1) Having two levels

Noun

 * 1)  A house with two adjacent levels that are less than a story apart.
 * 2)  A binary image, one that has only two possible values for each pixel (usually black and white).
 * 3) A women's hairstyle similar to the mullet.
 * 1)  A binary image, one that has only two possible values for each pixel (usually black and white).
 * 2) A women's hairstyle similar to the mullet.