From Longman Business Dictionary
clerkclerk /klɑːkklɜːrk/ noun [countableC]JOB1someone who keeps records or accounts in an officea filing clerk
→ articled clerk → bank clerk → correspondence clerk → filing clerk → ledger clerk2an official in charge of the records of a court, town council etcPlans of the land were deposited with the clerk of the county council.
3American EnglishAmETRAVEL someone who deals with people arriving in a hotelLeave the keys with the desk clerk.
→ see also salesclerk