Used other than figuratively or idiomatically: see first, night. / The first public performance of a play or other show, normally assumed to be held in the evening. / The first night after marriage.

plural of first grader

(US, education) A pupil who is in first grade.

In the UK and various other countries, the initial presentation or announcement of a bill (proposed legislation) to a parliament or legislature, or chamber thereof. In the UK, this takes place without debate and is followed by the publication of the bill for members to examine prior to the second reading.

Used to indicate that a statement, though not necessarily entirely accurate or without exceptions, is good enough for basic or preliminary purposes; more or less; basically.

As the first step or stage; first.

plural of first night

(obsolete, literally) at the first attack or engagement of battle / (obsolete) at first encounter, at the start

(civil law) A prototype or archetype. / (innovation, manufacturing) A preproduction model, initial sample or pilot model.

plural of first article