DROPPER-IN
Meaning of DROPPER-IN in English
/drop"euhr in"/ , n. , pl. droppers-in .
drop-in (def. 1).
[ 1895-1900; v. phrase drop in + -ER 1 , with particle postposed ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012