springings

Noun

springing (countable and uncountable, plural springings)

1. (uncountable) The action of the verb to spring.
2. (uncountable) A set of springs in a vehicle, etc.
   • Bolsterless trailer bogies have been used, incorporating in the construction laminated springs mounted on the axle boxes, and steel helical springs with auxiliary rubbers, thus maintaining the high standard of springing of the swing bolster bogies.1950 January, “British Railways Double-Deck Suburban Stock”, in Railway Magazine, page 57
3. (archaic, countable) The spring of an arch: the lowest part of an arch on both sides.
   • The arch failed first at the crown, then at the quarterings, and finally at the springings. After demolition the girders for half the new structure were erected on bedstones already built on the abutments behind the springings of the old arch.1941 February, “Bridge demolition by lifting”, in Railway Magazine, pages 74–75

See all 5 meanings of springing