(in prescriptions) three times a day.
Origin of t.i.d.
From the Latin word ter in diē
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for t.i.d.
abbreviation for (in prescriptions)
ter in die
Word Origin for t.i.d.
Latin: three times a day
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
Medicine definitions for t.i.d.
ter in die (three times a day)
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.