[hel-i-kuh l, hee-li-]

Origin of helical

First recorded in 1605–15; helic- + -al1
Related formshel·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for helically

Historical Examples of helically

British Dictionary definitions for helically


  1. of or shaped like a helix; spiral
Derived Formshelically, 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

Word Origin and History for helically



"spiral-shaped," 1590s, from Latin helicem (see helix) + -al (1).

Online Etymology Dictionary, © 2010 Douglas Harper

helically in Medicine


[hĕlĭ-kəl, hēlĭ-]
  1. Of or having the shape of a helix; spiral.
  2. Having a shape approximating that of a helix.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.