mortarboard mortar • mortarize · · · Info · Definitions · Synonyms · Characters · · mortarboard · · Text Latin · · Script 11 · · Length Definitions · · · (noun) a square board with a handle underneath; used by masons to hold or carry mortar. Synonyms: hawk. · · Noun Definition 1 (noun) an academic cap with a flat square with a tassel on top. · · Noun Definition 2 Synonyms · · · hawk · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074