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mortarboard

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noun mor·tar·board \ˈmȯr-tər-ˌbȯrd\

Simple Definition of mortarboard

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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of mortarboard

  1. 1 :  an academic cap consisting of a closely fitting headpiece with a broad flat projecting square top

  2. 2 a :  hawk 2 b :  a board or platform about three feet (one meter) square for holding mortar

Examples of mortarboard in a sentence

  1. The students donned robes and mortarboards for graduation.



Illustration of mortarboard

1854

First Known Use of mortarboard

1854


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