a blow to the head or a person's head

the nose of a plane

विमान की नाक

English Usage: The conk of the aircraft was damaged during the storm.

Hindi Usage: तूफान के दौरान विमान की नाक क्षतिग्रस्त हो गई।

to hit someone on the head

to fall asleep

सो जाना

English Usage: She conked out on the couch after a long day.

Hindi Usage: लंबे दिन के बाद वह सोफे पर सो गई।