read ‧ er ‧ ship /ˈriːdəʃɪp $ -ər-/ BrE AmE noun [uncountable and countable]
[ Word Family: noun : ↑ read , ↑ reader , ↑ readership , ↑ reading , ↑ readability ; verb : ↑ read ; adjective : ↑ readable ≠ ↑ unreadable ]
1 . all the people who read a particular newspaper or magazine regularly
readership of
a magazine with a readership of 60,000
They are hoping that the paper will have quite a wide readership.
2 . the job that a Reader has in a British university:
a readership in linguistics