trimester
noun
tri·mes·ter
| \ (ˌ)trī-ˈme-stər
, ˈtrī-ˌ\
, ˈtrī-ˌ\
Definition of trimester
1
: a period of three or about three months
especially
: any of three periods of approximately three months each into which a human pregnancy is divided
2
: one of three terms into which the academic year is sometimes divided
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Examples of trimester in a Sentence
development in the first trimester
Recent Examples on the Web
Medication abortions have become an increasingly common choice for people seeking to end their pregnancies in the first trimester. — Anna North, Vox, "A boom in at-home abortions is coming," 9 July 2019 The glucose screening usually happens near the end of the second trimester, between 24 and 28 weeks of pregnancy. — Korin Miller, SELF, "What You Need to Know About Glucose Testing During Pregnancy," 4 Feb. 2019 In June 2017, Texas Governor Gregg Abbott signed a law banning the most common method of ending a pregnancy in the second trimester, known as dilation and evacuation, during which the fetus is removed from the uterus. — Kayla Webley Adler, Marie Claire, "If Brett Kavanaugh Is Confirmed, These 5 Scary Things Could Easily Happen," 31 July 2018 Felix kept her entire pregnancy secret from the public, but early in her first trimester even her training team, including her coach and fellow teammates, didn’t know about it. — Leta Shy, SELF, "Allyson Felix Wants to Save Black Mothers," 30 July 2019 In very rare cases, mumps infection can cause loss of pregnancy in the third trimester. — Paul Sisson, San Diego Union-Tribune, "Mumps cases continue to increase in San Diego County," 24 July 2019 For example, the CBP chief said that if an undocumented woman is in her third trimester of pregnancy, ICE agents would not apprehend her. — Camilo Montoya-galvez, CBS News, "Top immigration official says ICE raids not designed to separate families," 14 July 2019 The panel, which subpoenaed Donaldson to appear on Monday, granted the delay because the former President Donald Trump staffer no longer lives in the Washington area and is in her third trimester of pregnancy, limiting her ability to travel. — al.com, "Alabama woman agrees to testify in Mueller report probe," 24 June 2019 An official date for Valencia’s testimonial is yet to be set, but Paz said it will be played within the first trimester of the 2020 campaign. — SI.com, "Manchester United to Give Departed Captain Antonio Valencia a Testimonial Match Next Season," 2 July 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trimester.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for trimester
trimester
noun
English Language Learners Definition of trimester
: a period of three months
especially
: one of three periods into which a woman's pregnancy is often divided
US
: one of three periods into which an academic year is sometimes divided
See the full definition for trimester in the English Language Learners Dictionary
trimester
noun
tri·mes·ter
| \ (ˈ)trī-ˈmes-tər
, ˈtrī-ˌ
\
, ˈtrī-ˌ
\
Medical Definition of trimester
: a period of three or about three months
especially
: any of three periods of approximately three months each into which a human pregnancy is divided