lierne

lierneA. bossB. diagonal ribsC. ridge ribsD. transverse ribE. liernesF. tiercerons

li·erne

L0157100 (lē-ûrn′)n. A subordinate rib used in Gothic vaulting to connect the intersections and bosses of the primary ribs.

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[French, from lier, to bind, from Old French; see liable.]

lierne

(lɪˈɜːn) n (Architecture) architect a short secondary rib that connects the intersections of the primary ribs, esp as used in Gothic vaulting[C19: from French, perhaps related to lier to bind]

li•erne

(liˈɜrn)

n. a short ornamental rib inserted between the main ribs in a vaulted ceiling. [1835–45; < French: binding timber =li(er) to bind (< Latin ligāre) + -erne, of uncertain orig.]