A major transit corridor in a system of roads, rivers, or railway lines.
Any of the muscular- and elastic-walled blood vessels forming part of the circulation system by which blood is conveyed away from the heart regardless of its oxygenation status; see pulmonary artery.
Hyponyms: alloartery, arteriole, endartery, microartery; see also Thesaurus:artery
A rail set alongside a dangerous place as a barrier, to improve safety.
Any barrier designed to prevent accidents or mistakes.