Plain English Meaning
The part of a holding pattern where the airplane is flying back toward the point it's holding over.
Full Definition
The segment of a holding pattern flown toward the holding fix. It begins at the end of the turn from the outbound leg and ends when the aircraft crosses the fix. In a standard holding pattern, the inbound leg is flown on the published holding course and is timed (typically one minute at or below 14,000 feet MSL, one and a half minutes above) to establish the pattern's overall length.
Context Anchor
Seen when flying or studying instrument , especially when correcting for and the .