(Christianity) The week beginning on Passion Sunday.

(US) The week leading up to homecoming, during which school students dress up in unusual themed clothing.

Synonym of technical week

(business) A week of low employee absenteeism.

The week prior to the opening night of a play, musical, etc., during which technical elements such as costumes, lights, sound, set and makeup are tested during rehearsal.

(Christianity) The week in which the Rogation Days occur.

(astronomy, physics) A unit of length equal to the distance light travels in one week.

Synonym of reading week

(Oxford University) Alternative form of noughth week.

(Oxford University) The week before the first week of an academic term, when many undergraduates arrive from home.