Definition of 101 in English:

101

Syllabification: 101
Pronunciation: /ˌwənˌōˈwən/

Entry from US English dictionary

adjective

[postpositive]
1Denoting an introductory course at college or university in the subject specified.
1.1 informal Denoting the elementary or basic facts associated with the field or subject specified: stuff that you should learn in hacking 101

Definition of 101 in: