Underpitch groining

Definitions

  • Chambers's Twentieth Century Dictionary
    • Underpitch groining a kind of vaulting used when the main vault of a groined roof is higher than the transverse intersecting vault, as in St George's Chapel, Windsor—sometimes called Welsh groining
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Etymology

Chambers's Twentieth Century Dictionary
Ice. grein, division, branch—greina, to divide; Sw. gren, branch, space between the legs; Scot. graine, grane, the branch of a tree or river.