Of a bright red colour.

The Holy Roman Empire.

The first child to be born to a parent or family.

Born as the first one in a family, flock or the like. / Most excellent; most distinguished or exalted.

A chemical mixture, used in fireworks and flares, that burns with a bright red flame.

(copyright law) The right to publish a work for the first time in electronic form.

A surname.

a brick capable of withstanding high temperatures without deforming.

(set phrase) Primarily; most importantly.

(manner) In a firm or definite or strong manner. / (manner) Securely.