DROP-IN
Meaning of DROP-IN in English
transcription, транскрипция: [ ˈdräp-ˌin ]
noun
Date: 1819
1. : a casual visit or brief stop
2. : one who drops in : a casual visitor
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003