CHABAD- A center for Lubavitch Jews
Chag - holiday; pl., chagim
Challah - The braided bread traditionally eaten on Shabbos/Sabbath.
Chanukah – The Jewish festival of lights.
Charedim- Orthodox Jews on the far right of the spectrum- tend to reject secular pursuits
Chas v'shalom – G-d Forbid
Chassidim- a sect of Jews, who follow the teachings of 18th century Rabbi, the Baal Shem Tov
Chassidishe – literally means pious, this is an adjective to describe one stream of orthodoxy
Chatan (or Chosson) - a bridegroom
Chazal – A general term to mean "our sages". When used, it generally means, that somewhere in the huge cannon of rabbinic writings, it refers to this matter.
Chazzan- the cantor
Cheshbon Hanefesh- a spiritual accounting of the soul
Chevrusah- a partner in learning Torah; refers also to both partners
Chillul Hashem- Desecration of the Name of G-d
Chizzuk – something which strengthens someone
Cholent - special stew served on Shabbat
Cholov Yisroel- Milk produced at a farm in part owned by Jews
Chumash- The Pentateuch, or, the first five books of the Bible (Genesis, Exodus, Leviticus, Numbers, Deuteronomy)
Chupa- the canopy over the marriage ceremony, also refers to the ceremony itself
Chutzpah, Chutzpahdik- disrespect, gall, overly confident.
Cohen, also Kohen - descendent of Aaron, Moses' brother and the first priest of the Jewish people