/ahr'kyooh ay"sheuhn/ , n.
1. the state of being bent or curved.
2. the use of arches in building.
3. a system or grouping of arches.
[ 1690-1700; arcuation- (s. of arcuatio ) a curving, equiv. to arcuat ( us ) curved (see ARCUATE) + -ion- -ION ]
/ahr'kyooh ay"sheuhn/ , n.
1. the state of being bent or curved.
2. the use of arches in building.
3. a system or grouping of arches.
[ 1690-1700; arcuation- (s. of arcuatio ) a curving, equiv. to arcuat ( us ) curved (see ARCUATE) + -ion- -ION ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012