Tashlich
"Casting away;" A traditional ceremony held during the Yamim Nora-im (Days of Awe), usually on the first day of Rosh HaShanah, in which individuals symbolically “cast away” their sins or wrongdoings from the past year by throwing breadcrumbs into a flowing body of water.
T'shuvah
Tishrei
Seventh month on the Hebrew calendar; Rosh HaShanah falls on the first day of this month.
Yom HaDin
"Day of Judgement;" alternate name for Rosh HaShanah
Yom Tov
"Good Day;" the term, often pronounced as yuntiff (Yiddish) has come to mean "holiday;" "Good Yuntiff" is often used a holiday greeting.
Yom T'ruah
"Day of Shofar Blowing;" alternate name for Rosh HaShanah.
Baal t’kiah
Literally, “master of t’kiah,” meaning “one who sounds the shofar.”
Cheit
A Hebrew term for “sin.” Cheit is a Hebrew archery term meaning “missing the mark.” A section of High Holiday liturgy is the Al Cheit, a confession of ways in which we “missed the mark” during the past year.
L’shanah tovah
Literally, “for a good year.” This is a customary greeting for Rosh HaShanah. Also, “shanah tovah.”
T’kiah
Literally, “blast” or “blowing of a horn;” it is a note of the shofar call.