D defs.my
Entry 3 senses Webster, 1913

Excess

/ĕk'-sĕsˌ/ · Ex·cess · IPA /ˈɛksɛs/
01 n. The state of surpassing or going beyond limits; the being of a measure beyond sufficiency, necessity, or duty; that which exceeds what is u…
  1. 1.
    The state of surpassing or going beyond limits; the being of a measure beyond sufficiency, necessity, or duty; that which exceeds what is usual or proper; immoderateness; superfluity; superabundance; extravagance; as, an excess of provisions or of light.
    “To gild refined gold, to paint the lily, To throw a perfume on the violet, . . . Is wasteful and ridiculous excess.” Shak.
    “That kills me with excess of grief, this with excess of joy.” — Walsh.
  2. 2.
    An undue indulgence of the appetite; transgression of proper moderation in natural gratifications; intemperance; dissipation.
    “Be not drunk with wine, wherein is excess.” — Eph. v. 18.
    “Thy desire . . . leads to no excess That reaches blame.” Milton.
  3. 3.
    The degree or amount by which one thing or number exceeds another; remainder; as, the difference between two numbers is the excess of one over the other.
Phrases & compounds
Spherical excess — the amount by which the sum of the three angles of a spherical triangle exceeds two right angles. The spherical excess is proportional to the area of the triangle.