Dictionary
drop-in
Pronunciation: (drop'in"), [key]—
n.
1. Informal. Also,dropper-in.a person who or thing that pays an unexpected or uninvited visit:
a feeder for squirrels, raccoons, and other drop-ins.
2. Informal.a social gathering at which the guests are not expected to stay long:
Be sure to stop by our house for a glass of eggnog at our Christmas drop-in.
—
adj.
1. provided for short-term patronage:
a drop-in shelter for the homeless.
2. requiring only insertion to be ready for use:
a drop-in film cartridge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.