to sign a form stating that you are an unemployed person so that you can receive payment from the government; to sign a form or contract which says that you agree to do a job or become a soldier; to persuade sb to sign a form or contract like this
informalBritish
to sign a form stating that you are an unemployed person so that you can receive payment from the government
sign on / up
to sign a form or contract which says that you agree to do a job or become a soldier; to persuade sb to sign a form or contract like this
He signed on for five years in the army.
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition