Found 2 items, similar to arc-boutant.
English → English (WordNet) Definition: arc-boutant arc-boutant n : a buttress that stands apart from the main structure and connected to it by an arch [syn: flying buttress] [also: arcs-boutants (pl)]
English → English (gcide) Definition: arc-boutant arc-boutant \arc`-bou`tant"\ ([aum]r`b[ooma]`t[aum]N), n. [F.] (Arch.) A buttress that stands apart from the main structure and connected to it by an arch; same as flying buttress. --Gwilt. Syn: flying buttress [1913 Webster + WordNet 1.5]