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. [R.]
7. Aëronautics The perpendicular distance from the chord to the farthest point of an arched surface.
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.
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