DROP OFF
Meaning of DROP OFF in English
v.
1) ( D ; tr. ) ('to leave') to ~ at (could you ~ the books at the library?)
2) ( misc. ) to ~ to sleep
The Bbi combinatory dictionary of English, a guide to word combinations.
Комбинаторный словарь английского языка Bbi. Руководство по словосочетаниям.
2012