See Also: toe-drop(medicine)
drop-off(dictionary)
drop-in(dictionary)
drop-(dictionary)
drop(2)(dictionary)
drop(1)(dictionary)
Drop(medicine)
Drop-out(health)
Drop(finance)
Drop, The(money)

drop-in (iou)



drop-in noun & adjective. E19.
[from drop in: see DROP verb 6.]
A. noun.
An unexpected or informal visitor or visit. colloq. E19.
A place or function at which one can turn up informally, without prior appointment or referral. colloq. (chiefly N. Amer.). M20.
b. adjective.
Designed to drop into position. E20.
Of a place or function: at which one may turn up informally, without prior appointment or referral. M20.