mor·​tar·​board | \ ˈmȯr-tər-ˌbȯrd How to pronounce mortarboard (audio) \

Definition of mortarboard

1 : an academic cap consisting of a closely fitting headpiece with a broad flat projecting square top
b : a board or platform about three feet (one meter) square for holding mortar

Illustration of mortarboard

Illustration of mortarboard

mortarboard 1

Examples of mortarboard in a Sentence

The students donned robes and mortarboards for graduation.
Recent Examples on the Web The ceremony took place quickly as Ebony Miller walked to a table in Indiana University Northwest’s Anderson Library and flipped a blue tassel on a black mortarboard. Carole Carlson,, 9 June 2021 Angela Analoak-Bordenelli beaded forget-me-nots into her mortarboard. Marc Lester, Anchorage Daily News, 15 May 2021 For the East High School graduation Tuesday, Melrose Meneses adorned her mortarboard with the golden sun of the flag of the Philippines. Marc Lester, Anchorage Daily News, 15 May 2021 The material is taped to a cable beneath the helicopter’s solar panel, which is perched on top like a graduate’s mortarboard. NBC News, 24 Mar. 2021 The material is taped to a cable beneath the helicopter's solar panel, which is perched on top like a graduate's mortarboard. Marcia Dunn, The Enquirer, 24 Mar. 2021 The RiseUP mural shows a young woman wearing a mortarboard, a globe in the background, like a halo. Susan Dunne,, 26 Sep. 2020 Inside or outside though, the graduates still moved their mortarboard tassels from right to left and received their diplomas. Tracy Maness, Houston Chronicle, 18 June 2020 After the cap-and-gown photo, teachers grabbed videos of each senior flipping their tassel and throwing their mortarboard in faux celebration, all within a few hundred yards of their old high school. Corbett Smith, Dallas News, 13 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mortarboard.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mortarboard

1761, in the meaning defined at sense 1

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Time Traveler for mortarboard

Time Traveler

The first known use of mortarboard was in 1761

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Statistics for mortarboard

Last Updated

17 Jun 2021

Cite this Entry

“Mortarboard.” Dictionary, Merriam-Webster, Accessed 23 Jun. 2021.

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More Definitions for mortarboard



English Language Learners Definition of mortarboard

: a hat with a flat square top that is worn for special ceremonies at some schools


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