1. Happening, done, or appearing three times a week.
2. Happening, done, or appearing every three weeks.
1. Three times a week.
2. Every three weeks.
n. pl. tri·week·lies
A periodical published triweekly.
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.


adj, adv
1. every three weeks
2. three times a week
n, pl -lies
(Journalism & Publishing) a triweekly publication
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(traɪˈwik li)

adv., adj., n., pl. -lies. adv.
1. every three weeks.
2. three times a week.
3. occurring or appearing every three weeks.
4. occurring or appearing three times a week.
5. a triweekly publication.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
transformed the company from a series of triweekly community newspapers to a modern suburban daily built along a marketing slogan, "Big Picture, Local Focus." Shortly before his death in 2002, he told how the company had been in such financial straits in the 1960s that he once was barred from a Lions Club meeting because the paper didn't have the money to pay his dues.
The authors analyzed the use of the inverted Respiron[R] on respiratory muscle strength in young adults (aged 20-30), showing an increase of 15 cm[H.sub.2]O in MIP and 23 cm[H.sub.2]O in MEP, after a two-month training, with triweekly sessions of 10 repetitions with a one-minute interval between each maneuver.
A targeted triweekly exercise regimen, coupled with nutritional counselling, conducted in a community-based cohort study among 65 Zuni Pueblo adolescents resulted in significant improvements in BMI, fat-free mass, total body fat, and fasting lipid profile after six months [74].
In general, schedules employing denser measurement (e.g., weekly, biweekly, or triweekly CBM) were no more accurate than those employing fewer measurements (e.g., three CBMs every 6 weeks).
In July Hawaiian launched daily non-stop service between Narita and Honolulu International Airports, and in December it inaugurated triweekly service between Haneda and Kona International Airports.
CBZ was intravenously administered at a dose of 20mg/[m.sup.2] over 1h on day 1 in triweekly cycles with continuous oral prednisone (10 mg/day).
The average duration of treatment in weekly arm was 56 days and in triweekly arm was 58 days.
Spatial distinction (~1-50 km) and temporal stability (triweekly) of elemental concentrations was assessed using inductively coupled plasma mass spectrometry.
Case 5 had kidney biopsy performed for renal failure at 3 weeks after her seventh triweekly course of chemotherapy with gemcitabine and carboplatin for metastatic cholangiocarcinoma.
The purpose of this study was to compare the effects of a triweekly (i.e., 3 times x [wk.sup.-1]) resistance training with the effects of a running exercise program on a treadmill for 1 hr x [d.sup.-1], 3 d x [wk.sup.-1] on bone mineral density (BMD) in the femur from Wistar rats.
El 10 de octubre de 1850 el periodico TriWeekly South Carolinian informo sobre el uso de los daguerrotipos de "individuos de varias razas de negros" que Louis Agassiz habia adquirido en Carolina del Sur durante sus conferencias en Boston: