oarlock
UK[ˈɔːlɒk]US[ˈɔːrlɑːk]
n
a U-shaped device or a pair of metal posts on the side of a boat that holds an oar in place and serves as a fulcrum for rowing.
Morpheme Breakdown
oar
lock
oar
lock
Etymology
The word 'oarlock' is a transparent compound from Old English, formed from the nouns 'ār' (oar) and 'loca' (an enclosure, lock, fastening). It is a purely descriptive term from the Germanic linguistic tradition, literally meaning "a fastening for an oar." The logic is entirely functional: the device encloses or locks the oar in place on the gunwale of the boat, allowing it to pivot as a lever. This straightforward compounding reflects the practical, tool-oriented nature of much early English nautical vocabulary, where objects were named directly for their purpose and form.
Analysis
Structure: oar + lock
oar: (Old English) A long pole with a flat blade, used for rowing a boat.
lock: (Old English) A device or mechanism for fastening or securing something.
Examples
The rower placed the oar securely into the oarlock before pushing off from the dock.
A worn oarlock can cause the oar to slip, making rowing inefficient and difficult.
Traditional wooden dinghies often have simple, open-topped oarlocks made of brass.