cusp

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Related to cusped: fall off, call on, in favor, overhyped

cusp

1. Dentistry any of the small elevations on the grinding or chewing surface of a tooth
2. Anatomy any of the triangular flaps of a heart valve
3. Geometry a point at which two arcs of a curve intersect and at which the two tangents are coincident
4. Architect a carving at the meeting place of two arcs
5. Astronomy either of the points of a crescent moon or of a satellite or inferior planet in a similar phase
6. Astrology any division between houses or signs of the zodiac
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

cusp

Either of the tapering points of the crescent phase of the Moon, Venus, or Mercury.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

Cusp

The intersection of two arcs or foliations in a tracery; the figure formed by the intersection of tracery arcs or foliations.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

Cusp

(religion, spiritualism, and occult)

In astrology, cusp refers to two different but related divisions. First, a cusp is the dividing line separating a sign from its preceding sign. For example, someone born just prior to the Sun’s movement out of Cancer and into Leo is said to be “on the cusp of Leo” or “on the Cancer-Leo cusp.” Such an individual is said to manifest traits of both signs.

Second, the cusp is the dividing line separating a house from the preceding house. For example, if an individual’s seventh house begins at 10° Aries and ends at 13° Taurus, the person’s seventh house cusp is at 10° Aries. Planets located at end of one house so that they are very close (usually within 5°) to the next house are said to influence the affairs of both houses. Thus, to continue using the previous example, a natal Venus located at 8° Aries in the sixth house would exert—over and above its influence in the sixth house—an influence in the seventh house because it is only 2° away from the seventh-house cusp.

Sources:

Brau, Jean-Louis, Helen Weaver, and Allan Edmands. Larousse Encyclopedia of Astrology. New York: New American Library, 1980.
Leo, Alan. The Complete Dictionary of Astrology. Rochester, VT: Destiny Books, 1989.
The Astrology Book, Second Edition © 2003 Visible Ink Press®. All rights reserved.

cusp

[kəsp]
(anatomy)
A pointed or rounded projection on the masticating surface of a tooth.
One of the flaps of a heart valve.
(architecture)
A pointed projection or peak created by the intersection of two arcs.
(geology)
One of a series of low, crescent-shaped mounds of beach material separated by smoothly curved, shallow troughs spaced at more or less regular intervals along and generally perpendicular to the beach face. Also known as beach cusp.
(geophysics)
Any of the funnel-shaped regions in the magnetosphere extending from the front magnetopause to the polar ionosphere, and filled with solar wind plasma.
(mathematics)
A singular point of a curve at which the limits of the tangents of the portions of the curve on either side of the point coincide. Also known as spinode.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

cusp

types of cusps
1. The intersection of two arcs or foliations in a tracery.
2. The figure formed by the intersection of tracery arcs. Also see foil.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
The rachidian and laterals are cusped with denticles at the tip, the same as in the GKL.
One of the best examples of Dhaka's architecture, it is a happy blend of European and Mughal elements, particularly noticeable in the projecting facade in the north which has both horse-shoe and cusped arches.
(4) If h [member of] ([h.sub.n], 0), there exist a periodic wave solution and a cusped periodic wave solution.
and obtained new cusped, one-peak, W/M-shape-peaks soliton solutions.
In addition to its classical inspiration, the style also fuses Elizabethan and Jacobean elements and is characterised by its use of cusped Tudor arches, steep roof gables and carved brick detailing and this theme resonates throughout the entire property.
Qiao and Zhang [9] discussed the traveling wave solutions for the Camassa-Holm equation on the nonzero constant pedestal [lim.sub.[xi][right arrow][+ or -][infinity]] u = A [not equal to] 0 and found new soliton solutions, which are smooth and cusped. Later, Zhang and Qiao [10] investigated the Degasperis-Procesi equation under the boundary condition [lim.sub.[xi][right arrow][+ or -][infinity]] = A and obtained all possible single peak soliton solutions of the Degasperis-Procesi equation.
It does not look to the Gothic vault for its antecedence, but rather seeks a way of resolving the tiered pointed arches and cusped work of the canopy sheltering the pair of reclining figures below.
Further Islamic details include pointed and cusped arches, stripes in the coursed ashlar and the voussoirs, patterned panels, and wooden doors with cufic inscriptions.
Canis gezi has a p2 that does not have a small accessory cuspid, a single cusped p3, and a p4 that is not proportionally enlarged or robust.