Dictionary.com
definitions

subcutaneous

[suhb-kyoo-tey-nee-uh s]
adjective
  1. situated or lying under the skin, as tissue.
  2. performed or introduced under the skin, as an injection by a syringe.
  3. living below the several layers of the skin, as certain parasites.
Also sub·der·mal [suhb-dur-muh l] /sʌbˈdɜr məl/, sub·der·mic.

Origin of subcutaneous

From the Late Latin word subcutāneus, dating back to 1645–55. See sub-, cutaneous
Related formssub·cu·ta·ne·ous·ly, adverbsub·cu·ta·ne·ous·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for subcutaneous

Contemporary Examples of subcutaneous

Historical Examples of subcutaneous

British Dictionary definitions for subcutaneous

subcutaneous

adjective
  1. med situated, used, or introduced beneath the skina subcutaneous injection
Derived Formssubcutaneously, adverb

Word Origin for subcutaneous

C17: from Late Latin subcutāneus, from sub- + Latin cutis skin + -eous
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 subcutaneous
adj.

"under the skin," 1650s, from sub- + cutaneous. Related: Subcutaneously.

Online Etymology Dictionary, © 2010 Douglas Harper
subcutaneous in Medicine

subcutaneous

[sŭb′kyōō-tā′nē-əs]
adj.
  1. Located, found, or placed just beneath the skin; hypodermic.
Related formssub′cu•ta′ne•ous•ly adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
subcutaneous in Science

subcutaneous

[sŭb′kyōō-tā′nē-əs]
  1. Located or placed just beneath the skin.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.