Definitions

1. verb

to signal or indicate again, especially in the context of railroad signaling

“The engineer had to resignal the crossing to ensure the train had clearance.”

2. verb

to reestablish a signal or communication after a loss or interruption

“The team had to resignal the damaged satellite to recover the lost data.”

3. noun

a signal given to indicate a change in a previously established condition, especially in railroad signaling

“The engineer received a resignal to proceed with caution at the next intersection.”