[roh-tuh-tawr-ee, -tohr-ee]


pertaining to or of the nature of rotation: rotatory motion.
rotating, as an object.
passing or following in rotation or succession.
causing rotation, as a muscle.

Origin of rotatory

1745–55; < New Latin rotātōrius, equivalent to Latin rotā(re) (see rotate1) + -tōrius -tory1
Related formsun·ro·ta·to·ry, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rotatory

Historical Examples of rotatory

British Dictionary definitions for rotatory


less commonly rotative (ˈrəʊtətɪv)


of, relating to, possessing, or causing rotation
Derived Formsrotatively, adverb
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

rotatory in Medicine




Of, relating to, causing, or characterized by rotation.
Occurring or proceeding in alternation or succession.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.