spiral

spiral definition - medical

spi·ral (spīˈrəl)

adjective
Coiling or developing around an axis in a constantly changing series of planes; helical.
noun
A structure in the shape of a coil.
verb
To take the form or course of a spiral.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.