n., pl., -i·ons, or -i·a (-ē-ə).
A handbook; a manual.
[Late Latin enchīridion, from Greek enkheiridion : en-, in; see en-2 + kheir, hand + -idion, diminutive suff.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
