There are several synonyms for the word "oarlocks," which is a part of a rowing boat where the oars are held in place. Some common synonyms include rowlocks, thole pins, and oar pins. These terms are frequently used interchangeably to describe the same part of a rowing boat. Additionally, the word "oarlock" can also be used as a verb to describe the act of placing the oars into the rowlocks or securing them in place. Whatever synonym you choose to use, the importance of oarlocks in facilitating smooth and efficient movement of rowing boats cannot be overstated.