Emily Dickinson Lexicon

DEPTH, n. [from deep.]

1. Deepness; the distance or measure of a thing from the surface to the bottom, or to the extreme part downward or inward. The depth of a river may be ten feet. The depth of the ocean is unfathomable. The depth of a wound may be an inch. In a vertical direction, depth is opposed to highth.
2. A deep place.
3. The sea; the ocean. The depth closed me round about. – Jonah ii.
4. The abyss; a gulf of infinite profundity. When he set a compass on the face of the depth. – Prov. viii.
5. The middle of a season, as the depth of winter; or the middle, the darkest or stillest part, as the depth of night; or the inner part, a part remote from the border, as the depth of a wood or forest.
6. Abstruseness; obscurity; that which is not easily explored; as, the depth of science.
7. Unsearchableness; infinity. O the depth of the riches both of the wisdom and knowledge of God. – Rom. xi.
8. The breadth and depth of the love of Christ, are its vast extent.
9. Profoundness; extent of penetration, or of the capacity of penetrating; as, depth of understanding; depth of skill.
10. The depth of a squadron or battalion, is the number of men in a file, which forms the extent from the front to the rear; as, a depth of three men or six men.
11. Depth of a sail, the extent of the square sails from the head-rope to the foot-rope, or the length of the after-leech of a stay-sail or boom-sail. – Mar. Dict.