Definitions:

1 : an act of making fast a boat or aircraft with lines or anchors 

2: a place where or an object to which something (as a craft) can be moored

3: a device (as a line or chain) by which an object is secured in place 

4 : an established practice or stabilizing influence 

“mooring and anchoring operations are one of the most critical and hazardous tasks routinely carried out on ships”