The day or date on which a company issues an agreement or contract. / The day or date when something is put forth and officialized.

plural of issue date

(cooking) A type of bread containing chopped dates.

(humorous) A lightweight; someone who gets drunk after a small amount of alcohol.

plural of cheap date

An imaginary line on the Earth's surface at 180° longitude, mostly through the Pacific Ocean, to the east of which the calendar date is one day earlier than to the west.

(archaeology) a technique used to date bones by measuring the amount of fluorine absorbed from the surrounding soil

(geology) A method of estimating the age of igneous rocks or of archaeological objects by measuring the amount of argon that has built up through the radioactive decay of potassium.

due date; The date on which a pregnant woman is expected to give birth.

A drug with sedative, hypnotic, dissociative, and/or amnesiac effects which is used to assist in the commission of a sexual assault (date rape). / In particular, the drug flunitrazepam ("roofies").