The winning situation in a duel in which the first one to draw blood from the other wins. / The first damage or reverse inflicted on an opponent in a conflict.

The amendment to the constitution of the United States pertaining to freedom of speech, freedom of religion and freedom of the press.

The highest quality of gemstones, especially of diamonds and pearls. / (by extension) The highest rank or quality or the greatest degree.

(astronomy) The waxing lunar phase, from new moon to half way between new moon and full moon.

(cinematography) The team that shoots footage which is of primary importance for the final cut of the motion picture, including all scenes involving actors, or at least stars of the motion picture.

(sequence, idiomatic) to begin with; earlier; firstly; originally; at the start, / (idiomatic) at all, even (typically in non-negated statements)

(US, education) The first year of grade school, the period in school that comes after kindergarten and before second grade. Children usually begin first grade at age six.

First choice, preference.

describing the members of a sports team who play regularly at the start of a match (rather than being substituted on)

the members of a sports team who play regularly at the start of a match (rather than being substituted on) / the first violinist in an orchestra.