Bedeutung von “initial” — Learner’s Dictionary

initial

verb [ T ] us uk /ɪˈnɪʃəl/ present participle mainly UK initialling, past tense and past participle initialled, present participle US initialing, past tense and past participle initialed

to write your initials on something:

Could you just initial that change you made on your cheque?

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