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Webster 1913 Edition

Lierne rib

Lierne′ ribˊ

(lyârn′ rĭbˊ)
Noun.
[F.
lierne
.]
(Arch.)
In Gothic vaulting, any rib which does not spring from the impost and is not a ridge rib, but passes from one boss or intersection of the principal ribs to another.

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