Eavesdrop, Listen in on
This page is the CodyCross answer for the clue below from Airport, Group 457, Puzzle 1 (Overhead Bin).
Question is: Eavesdrop, Listen in on
and the answer is: OVERHEAR
Word Meaning:
OVERHEAR — (ambitransitive) To hear something that was not meant for one's ears.
Definitions from Wiktionary.