noun

• the vertical distance below a surface; the degree to which something is deep
• the distance between the front and the back, as the depth of a drawer or closet
• (figuratively) the intensity, complexity, strength, seriousness or importance of an emotion, situation, etc.
• lowness
• (computing, colors) the total palette of available colors
• (art, photography) the property of appearing three-dimensional
• (literary, usually in the plural) the deepest part (usually of a body of water)
• (literary, usually in the plural) a very remote part.
• the most severe part
• (logic) the number of simple elements which an abstract conception or notion includes; the comprehension or content
• (horology) a pair of toothed wheels which work together
• (aeronautics) the perpendicular distance from the chord to the farthest point of an arched surface
• (statistics) the lower of the two ranks of a value in an ordered set of values
• (cryptography) A set of more than one ciphertext enciphered with the same key.