1420–1 in B. Sandahl (1982) III. 68 Moryngropes.
1843 H. W. Herbert xxii. 122 Five minutes more saw them embarked in the sloop under a fitting guard, the mooring ropes cut, and the vessel drifting with sail and oar toward the other bank.
1998 Jan. 41/3 You need to be there at the top of a neap tide to avoid constantly having to adjust your mooring ropes.