Depth /(sĕpth)/

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.
  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.
    The depth closed me round about.
    — Jonah ii. 5.
  5. The number of simple elements which an abstract conception or notion includes; the comprehension or content. (Logic)
  6. A pair of toothed wheels which work together. (Horology) [R.]
  7. The perpendicular distance from the chord to the farthest point of an arched surface. (Aëronautics)
  8. 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. (Computers)

Phrases & Compounds

Depth of a sail
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.