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li·erne  (le-ûrn)
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Tweet n. A subordinate rib used in Gothic vaulting to connect the intersections and bosses of the primary ribs. [French, fromlier, to bind, fromOld French; see LIABLE.]  (click for a larger image) lierneA. boss B. diagonal ribs C. ridge ribs D. transverse rib E. liernes F. tiercerons |
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