Also found in: Medical, Encyclopedia.
A receptor that responds to touch.
[Latin tāctus, touch (from past participle of tangere, to touch; see tag- in Indo-European roots) + receptor.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.