(n): rigid connective tissue that makes up the skeleton of vertebrates
(n): something resembling the tooth of an animal
(n): any structure that branches out from a central support
(n): toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell
(n): a particular complex anatomical part of a living thing
(n): a means of enforcement
(n): how a result is obtained or an end is achieved
(n): one of a number of uniform projections on a gear
(n): any structure that branches out from a central support