ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: Middle English orlok, from Old English ārloc, from ār oar + loc lock — more at lock
: a usually U-shaped device or arrangement for supporting and holding an oar in place : rowlock: as
a. : a metal fork or stirrup pivoted in the gunwale or on an outrigger
b. : a single pin swiveling in the gunwale or on an outrigger and passing through a hole in the oar or having the oar attached (as by a grommet) to it
c. : a pair of pins set vertically in the gunwale or on an outrigger
d. : a U-shaped notch in the gunwale