Depth

n.	1.	The quality of being deep; deepness; perpendicular measurement downward from the surface, or horizontal measurement backward from the front; as, the depth of a river; the depth of a body of troops.
	2.	Profoundness; extent or degree of intensity; abundance; completeness; as, depth of knowledge, or color. Mindful of that heavenly love Which knows no end in depth or height. - Keble.
	3.	Lowness; as, depth of sound.
	4.	That which is deep; a deep, or the deepest, part or place; the deep; the middle part; as, the depth of night, or of winter. From you unclouded depth above. - Keble. The depth closed me round about. - Jonah ii. 5.
	5.	(Logic) The number of simple elements which an abstract conception or notion includes; the comprehension or content.
	6.	(Horology) A pair of toothed wheels which work together.
	7.	(Aëronautics) The perpendicular distance from the chord to the farthest point of an arched surface.
	8.	(Computers) the maximum number of times a type of procedure is reiteratively called before the last call is exited; - of subroutines or procedures which are reentrant; - used of call stacks. Depth of a sail (Naut.) the extent of a square sail from the head rope to the foot rope; the length of the after leach of a staysail or boom sail; - commonly called the drop of a sail.

Noun	1.	depth - extent downward or backward or inward; "the depth of the water"; "depth of a shelf"; "depth of a closet"
	2.	depth - degree of psychological or intellectual depth
	3.	depth - (usually plural) the deepest and most remote part; "from the depths of darkest Africa"; "signals received from the depths of space"
	4.	depth - (usually plural) a low moral state; "he had sunk to the depths of addiction"
	5.	depth - the intellectual ability to penetrate deeply into ideas Synonyms: astuteness, profoundness, profundity

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