mortarboard

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noun mor·tar·board \ˈmȯr-tər-ˌbȯrd\

Definition of mortarboard

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

  2. 2a :  hawk 2b :  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

1761

First Known Use of mortarboard

1761


MORTARBOARD Defined for English Language Learners

mortarboard

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noun mor·tar·board \ˈmȯr-tər-ˌbȯrd\

Definition of mortarboard for English Language Learners

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

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