サインイン
sain'in
1. sign-in
Noun
#112576
1. sign-in
1. sine
1. autograph; signature
2. sign; signal
1. employee; worker
1. Gaul
1. goal (in soccer, hockey, etc.); basket (in basketball)
2. finish line; finishing line
+ 2 additional meanings1. director; executive
2. officer; official