Hypertext Webster Gateway: "oarlock"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Oarlock \Oar"lock`\ ([=o]r"l[o^]k`), n. (Naut.),
The notch, fork, or other device on the gunwale of a boat, in
which the oar rests in rowing. See {Rowlock}.
From WordNet (r) 1.7 (wn)
oarlock
n : a holder attached to the gunwale of a boat that holds the
oar in place and acts as a fulcrum for rowing [syn: {peg},
{pin}, {thole}, {tholepin}, {rowlock}]
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