from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A subordinate rib used in Gothic vaulting to connect the intersections and bosses of the primary ribs.
from The Century Dictionary and Cyclopedia
- n. In architecture, any rib in vaulting that does not rise from the impost, and is not a ridge-rib, but passes from a boss or intersection of the principal ribs to other secondary ribs. Vaults in which such ribs are employed are called lierne vaults.
French, from lier, to bind, from Old French; see liable.(American Heritage® Dictionary of the English Language, Fourth Edition)