mortarboard's Usage Examples:

"At commencement you wear your square-shaped mortarboards.

Cut out an individual egg cup for the base and a square of cardboard for the mortarboard.

A black mortarboard with a black tassel is worn by all recipients except Ph.

Stickers: Many stickers are available with graduation designs such as mortarboards and graduation gowns.

Graduation theme: Graduation stickers often feature mortarboards and diplomas.

Cowl edge faced inside with two inches of gold satin; (c) a mortarboard of black cloth.

cowl edge faced inside three inches with dark green silk; (c) a mortarboard of black cloth.

Synonyms:

hawk, board,

Antonyms:

disembark, starve, live out,