[ roh-tuh-ree ]
/ ˈroʊ tə ri /


turning or capable of turning around on an axis, as a wheel.
taking place around an axis, as motion.
having a part or parts that turn on an axis, as a machine.

noun, plural ro·ta·ries.

Origin of rotary

1725–35; < Medieval Latin rotārius (adj.), equivalent to Latin rot(a) wheel + -ārius -ary

Related forms

un·ro·ta·ry, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rotary

British Dictionary definitions for rotary


/ (ˈrəʊtərɪ) /


of, relating to, or operating by rotation
turning or able to turn; revolving

noun plural -ries

a part of a machine that rotates about an axis
US and Canadian a roundabout (for traffic)

Word Origin for rotary

C18: from Medieval Latin rotārius, from Latin rota a wheel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012