vertebral arch

(anatomy) An arch formed by the paired pedicles and laminas of a vertebra; the posterior part of a vertebra which together with the anterior part, the body, encloses the vertebral foramen in which the spinal cord is lodged in vertebrates. Also known as neural arch.

Composite structure in each vertebra consisting of two lamina and two pedicles that help to enclose and protect the spinal cord. Pedicles are short bony cylinders projecting posteriorly from the vertebral body.

The posterior projection from the body of a vertebra that encloses the vertebral foramen. Also called neural arch.

The noun has one meaning:

Meaning #1: a structure arising dorsally from a vertebral centrum and enclosing the spinal cord
  Synonym: neural arch