ma·ter lec·ti·o·nis | \ ¦mätə(r)ˌlektēˈōnə̇s \
plural matres lectionis\ ˈmä‧ˌtrāˌsl- \
Definition of mater lectionis
: the alphabetic signs א (\ʔ\), ה (\h\), ו (\w\), and י (\y\) in Hebrew which assist in indicating the vocalization in an originally consonantal writing system
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