Wiktionary
n. 1 The oystercatcher. 2 A pie made of meat and vegetables baked in a pan over the fire, with a pastry crust, or in layers between crusts, the number of which denominate it a two or three decker.
Wikipedia
Sea-pie is essentially a layered meat pie made with meat or fish, and is known to have been served to British sailors during the 18th century. Its popularity was passed on to the New England colonies sufficiently to be included in American Cookery.
In Quebec this dish is called cipaille, cipâtes or six-pâtes (in French), and is a traditional Quebec dish. The French name most likely originated as an adaptation of sea-pie.
Usage examples of "sea-pie".
Dinner wound on from fresh anchovies, still present in their countless millions, to steak of tunny, to a tolerable sea-pie, and so to an expected but still heartily welcome spotted dog.
They had their table spread with boiled ham, beef-steaks, and a sea-pie, all held down as tight as double-rove fiddles would hold them, but all mingling their gravy in reckless confusion.
I for one should be happy to eat my sea-pie raw to gain a day,' he added with a high-pitched laugh as he got on to his horse again and took the head of the procession.