0 used to refer to a space used for storing things that is large enough for a person to enter and walk around in:
a walk-in wardrobe
a walk-in refrigerator
1 used to refer to a place that you can go to without an appointment (= an arrangement made in advance):
2 someone who goes to a place without an appointment (= an arrangement made in advance):
Although the restaurant will take walk-ins, reservations are recommended.
With the track sold out and no walk-ins allowed, a crowd of about 51,000 is expected.
3 large enough for a person to enter and walk around in:
a walk-in closet
4 allowing people to come without planning to do so in advance:
Her salon sees 20 regulars a day booked from 8 a.m. to 7 p.m., plus walk-ins.
Emergency workers need to be on the lookout for large numbers of walk-ins with similar flu-like ailments.
There's been a large influx of volunteers at the campaign offices lately, with a constant trickle of walk-ins.
The walk-in clinic is located in a community health centre.
To improve this situation the possibility of using a large walk-in cage to study mating, sterile male quality and other quality control parameters associated with tsetse mass rearing was investigated.
Furthermore, call screening and patient education by nurses reduced the number of unnecessary patient visits to the practice or walk-in clinics and inappropriate utilization of emergency departments for minor conditions.
In partnership with the local community trust, a walk-in centre has been established, offering a seamless service to patients.
We are developing a limited number of pilot schemes for walk-in centres in city centres, shopping centres and city-centre hospitals.