To ride to a single anchor means to have it easy; to swallow the anchor is to give up seafaring and settle ashore. An anchor to windward (sometimes sheet-anchor or kedge-anchor) is the same as a nest egg, something to fall back upon.
In coastal dialect, to go ashore with both anchors on the bows describes a inexcusable lack of competence."Bring your backside to an anchor" is a hearty, though vulgar invitation to take a seat.
In addition to its obvious meanings, this word also means, in coastal speech, to place a weight upon something likely to blow away, or to fasten something firmly at the base. "Be sure you anchor that picnic cloth good and solid."
From: Sea Language Comes Ashore by Joanna Carver Colcord. Cornell Maritime Press, N. Y. 1945.
More information on Capt. Vancouver's exploration and lost anchor click here