sign-on

sign-on [sahyn-on, -awn] ExamplesWord Origin noun

1. Radio and Television. the opening salutation, station identification, etc., at the beginning of the broadcast day.
2. an act or instance of signing on.

Origin of sign-on First recorded in 1880–85; noun use of verb phrase sign on Examples from the Web for sign-on Historical Examples of sign-on

The small number can be attributed to the fact that the men, like the assembly, had to sign-on without knowing their destiny.

The Road to Independence: Virginia 1763-1783

Virginia State Dept. of Education