A device or instrument designed to perform a specific function, especially an electrical device, such as a toaster, for household use. See Synonyms at tool.
A dental or surgical device designed to perform a therapeutic or corrective function.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.