Bedeutung von “sign on” — Learner’s Dictionary

sign on

phrasal verb with sign us uk /saɪn/ verb [ I, T ]
START WORK

to sign a document saying that you will work for someone:

She's signed on with a temp agency.
NOT IN WORK UK

to sign a form at a government office to say that you do not have a job and that you want to receive money from the government

(Definition von “sign on” aus dem Cambridge Learner's Dictionary © Cambridge University Press)