noun, Architecture.
a horizontal line between the springs of an arch or dome.
the rise or the angle of the rise of an arch.


Read Also:

  • Spring-lamb

    noun 1. a lamb born in the late winter or early spring and sold for slaughter before July 1.

  • Springless

    adjective 1. having no springs: a springless bed. 2. lacking liveliness or resilience; lifeless: His shoulders drooped and his walk had become springless.

  • Springlet

    noun 1. a small spring of water. noun 1. a small spring; brooklet or rill

  • Spring ligament

    spring ligament n. A dense fibroelastic ligament in the foot extending from the calcaneus to the navicular bone and supporting the head of the talus.

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