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groin

groin

1 9.6
The curved edge where two arched ceilings meet
  • noun
  • /ɡrɔɪn/
  • Specialized
translation icon : arista
  • This is the so-called groin or ribbed vault, spelled exactly as you think it would be, GROIN, the groin vault or the rib vault.
  • groin vault

Examples

  • The lower level of this structure consists of a triple-bay porch, with quadripartite groin vaults springing from a series of broad, round arches that open out toward the nave.

    Academic text (2000)
  • This device obviously required a square plan below, whereas a traditional groin or rib vault could cover a rectangular space of virtually any proportions.

    Academic text (2015)
  • The smuggler tried for the other man's groin and failed to connect.

    Fiction book (1991)
  • Perhaps it gives pictorial expression to a verbal term such as that of the "groin vault."

    Academic text (2002)
  • There are hand arches, back arches, groin arches.

    Fiction book (1999)
  • The geometry is simple: triangles for the groin, partially bisected by the short lines of the vulvae.

    Fiction book (2000)
  • He had never seen another like it; its silver petals curved upward and together like the groin of an old church and then unfurled outward.

    Fiction book (1993)
  • She shakes and shouts, whoops out loud as she heaves her groin in thunderous counterpoint to the bass player's thumping rhythms.

    Fiction book (1993)
  • The cathedral features an impressive groin vault that showcases the skill of its builders.

  • As we walked through the ancient ruins, I admired the intricate design of the groin arches above us.

Compounds

A painful area where the leg meets the lower belly, often from a strain or injury

Surface Forms

groin singular
groins plural

Etymology

The architectural sense of groin comes from the same old French idea of a 'throat' or narrow join, which fits the curved line formed where two vaults or arches meet.