a bolt with a ring fitted in an eye at its head.
a bolt with a ring fitted through an eye attached to the bolt head
noun, Veterinary Pathology. 1. a morbid bony growth on the pastern bones of a horse, often resulting in lameness. noun 1. an abnormal bony growth affecting the pastern of a horse, often causing lameness
noun 1. a ring-shaped life preserver.
- Ring circuit
noun 1. an electrical system in which distribution points are connected to the main supply in a continuous closed circuit
noun, Chemistry. 1. a compound whose structural formula contains a closed chain or ring of atoms; a cyclic compound. Compare cyclic (def 3).