Definition of tefillin
: the phylacteries worn by Jews
Origin of tefillin
Late Hebrew tĕphīlīn, from Aramaic, attachments
First Known Use: 1613
Learn More about tefillin
Britannica.com: Encyclopedia article about "tefillin"
Seen and Heard
What made you want to look up tefillin? Please tell us where you read or heard it (including the quote, if possible).