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rowlock

/ˈɹoʊˌlɑk/ noun

In Latin: scalmus Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about rowlock at Wordnik → Where our words come from →

  1. A holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing.

Origin

An alteration, based on row, of earlier oarlock, from Old English ārlōc, equivalent to oar + lock.

From Wiktionary, via Kaikki.org (CC BY-SA)