Lierne rib

Lierne´ rib`

(lyârn´ rĭb`)

n.	1.(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.

In Gothic vaulting, any small subordinate rib which is inserted between the main ribs, more often as an ornament than for reasons of construction.

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