Likkutei Sichos Dictionary

The following sites have Yiddish dictionaries:

Harkavy Yiddish Dictionary  Yiddish Dictionary online

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Kabbalah: lit. 'received tradition' The body of classical Jewish mystical teachings, the central text of which is the Zohar.

Kabbalas Ol: lit. 'acceptance of the yoke': Self-subordination to the Will of G-d.

Kabbalat Shabbat ("welcoming the Sabbath"): The series of prayers recited as a prelude to the Friday night prayer service, to mark the onset of the Sabbath.

Kabbalist: Expert in Torah mysticism.

Kaddish: A prayer sanctifying G-d's Name which is used to signal passage from one stage to another of the prayer service, and is also said for the deceased.

Kaf: The 11th letter of the Hebrew alphabet.

Kah (Yud Hei): A Holy Name of G-d.

Ka Mashma Lan: lit "it comes to teach us". The implication or lesson derived from a problematic statement, question or verse. Sometimes an expression of  astonishment such as:  The concept is simple - "what is this teaching us"?

Kal vachomer: One of the thirteen interpretational methods in which a conclusion is drawn from a minor premise or more lenient condition to a major or more strict one. Reasoning by A fortiori.

Kashrus: 1. `the state of being kosher, i.e., ritually valid or fit for use Kashruth 2.The laws of keeping Kosher 3. Something fit, proper, moral or correct.

Kav ("line"): The ray of light beamed into the vacated space created in consequence of the tzimtzum.

Kavanah pl. kavanot: 1. Concentration or meditation of prayer. 2. The intent or inner meaning of a subject.

Kedeboi leMehavei: As it should be; Proper

Kedushah: holiness

Kehunah (The "Priesthood"): (See Kohen).

Kel: A Holy Name of G-d.

Keli pl. Keiim: Receptacles. 1. Receptacles for the spiritual flow G-dliness 2. physical vessels 3. Preparing oneself to receive an effluence, or to become fitting for something

Kelipah pl. Kelippos: lit. 'rind' or 'shell';Used figuratively to signify an outer covering which conceals the light within; hence, the unholy side of the universe.

Keter ("Crown"): The first of the ten sefirot.

Ketubah ("written"): The Jewish marriage contract.

Ketz:  lit. 'end' The time when the exile to an end. Proposed calculated times for the end of exile

Kiddush: "Sanctification" Kiddush is the ritual performed on the Sabbath and festival days, consisting of a liturgical text recited over a full cup of wine which is then drunk.

Kiflayim l’toshiya:  indicating a double measure

Kingdom (Malchut): The last of the ten sefirot, and seventh of the emotive attributes in Creation.

Kipah: A skullcap worn by Jewish males.

Kislev: The ninth of the twelve months of the Jewish calendar.

Kittel ("small coat"): A white linen robe worn on Yom Kippur.

Kitzur Shulchan Aruch: The Code of Jewish Law as abbreviated by R. Shlomo Ganzfried.

Klal: 1. A principle 2. A category 3. BiKlal - in general 

Klal Yisroel: The Jewish people

Knowledge (Da'at): The third and last conscious power of intellect in Creation.

Kelos Hanefesh: Expiry of the soul out of spiritual rapture.
Kinor: A lharp.
Koach/Kochot: Strength. power abilities
Korban: The sacrifice offered in Temple times on the eve of a festival.
Kotel: The Western Wall of the Temple.

Kochos makifim: The transcendent faculties of the soul.

Kochos pnimiyim: The internalized, conscious faculties of the soul.

Koheles: Ecclesiastes.

Kohen Gadol: High priest.

Kohen pl. kohanim: "priest" A descendant of Aaron the High Priest brother of Moses  whose role is to officiate at the various rites performed in the Temple.

Kol Nidrei: First prayer of Yom KIppur

Kosher: "fit" or "proper" Used of anything in the sense of "proper" or "good." - in reference to food, used to mean complying with the requirements of Jewish dietary laws

Kuf: The 19th letter of the Hebrew alphabet.

Kushia; popularly pronounced Kashe: (Aramaic):A query posed in the course of clarifying a seeming inconsistency, logical or textual, encountered in one's Torah study.