1. (

• walk-in ,

) person who walks in without having an appointment; "the emergency room was overrun with walk-ins" ;

2. (

• walk-in

) an operative who initiates his own defection (usually to a hostile country) for political asylum ;

3. (

• walk-in ,
• waltz

) an assured victory (especially in an election) ;

4. (

• walk-in

) a small room large enough to admit entrance ;

1. (

• walk_in

) enter by walking; "She walks in at all hours, as if she lived here" ;

1. (

• walk-in

) (of e.g. closets or refrigerators) extending very far enough back to allow a person to enter; "a deep walk-in refrigerator"; "walk-in closets" ;