noun Uncommon

trimester

TRIH-mehs-tuh

Trimester (noun) means a period of about three months, especially one of the three stages of pregnancy. Example: “She felt much better by the second trimester.”

noun

A period of about three months, especially one of the three stages of pregnancy.

"She felt much better by the second trimester."

One of three terms making up an academic year.

"The college splits its year into three trimesters instead of two semesters."

How to use trimester

Learner’s notes

In plain EnglishA three-month stretch of time — most often used for stages of pregnancy or school terms.

Easily confused with

semester →

Word forms

trimesters plural

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She felt much better by the second _____.

Etymology

From Latin trimestris ("of three months"), from tres ("three") and mensis ("month").

Origin: Latin

Rhymes for trimester

ester pester fester tester jester Hester Kester Lester Chester jokester semester molester

See all rhymes for trimester →

Frequently asked questions

What does “trimester” mean?

The word “trimester” means a period of about three months, especially one of the three stages of pregnancy. In plain terms, a three-month stretch of time — most often used for stages of pregnancy or school terms.

How do you pronounce “trimester”?

“Trimester” is pronounced TRIH-mehs-tuh (/ˈt(ʃ)ɹaɪ.mɛs.təɹ/ in IPA).

How do you use “trimester” in a sentence?

Here is “trimester” used in a sentence: “She felt much better by the second trimester.”

What part of speech is “trimester”?

“Trimester” is a noun.

Where does the word “trimester” come from?

The word “trimester” comes from Latin. From Latin trimestris ("of three months"), from tres ("three") and mensis ("month").

Is “trimester” a common word?

“Trimester” is an uncommon word in modern English.

How many meanings does “trimester” have?

“Trimester” has 2 distinct senses listed in this dictionary. The most common is: a period of about three months, especially one of the three stages of pregnancy.