1. (

• Immigration_and_Naturalization_Service ,
• INS

) an agency in the Department of Justice that enforces laws and regulations for the admission of foreign-born persons to the United States ;

1. (

• in

) holding office; "the in party" ;

2. (

• in

) directed or bound inward; "took the in bus"; "the in basket" ;

3. (

• in

) currently fashionable; "the in thing to do"; "large shoulder pads are in" ;