tierceron


tier·ce·ron

T0209150 (tîr′sə-rŏn′)n. A secondary or intermediate rib in a rib vault that rises from one of the main springers and connects to a point on the ridge rib.
[French, from tierce, tierce; see tierce.]

tierceron

(ˈtɪəsəˌrɒn) n (Architecture) architect (in Gothic architecture) a type of supporting rib on a vault