A sign for the control of traffic or the information of drivers.

Any distinguishing mark, such as a tattoo, that serves to identify a member of a particular gang

(idiomatic) Something that is symbolic of an era.

To sign again; to provide one's signature again. / (by extension) To sign a contract renewing or restarting a professional relationship, such as that of a professional athlete with a sports team.

(US, chiefly Pennsylvania) A geometric design usually consisting of a star or flower placed in a circular field, used by the Fancy Dutch on buildings such as barns, often said to be intended as a ward against evil in former times.

(transitive) To sign (legislation) as a mark of official approval.

(astrology) Any of the three star signs Aquarius, Gemini and Libra.

(astrology) Any of the three star signs Cancer, Pisces and Scorpio.

(astrology) Any of the three star signs Aries, Leo and Sagittarius.

(astrology) Any of the three star signs Capricorn, Taurus and Virgo.