Definition of "rotary" []

• Of, relating to, causing, or characterized by rotation, especially axial rotation. (adjective)
• A part or device that rotates around an axis. (noun)
• Chiefly New England See traffic circle. (noun)

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.

• ""If a liquid has not what we call rotary power both halves of the double disk appear of the same tint," he explained."
• "The turbo-cycle rotary is an engine with a very low part count and high power density."
• "In the original show, Smart had a built in rotary-dial telephone in his shoe that he would use to contact CONTROL."