a tureen is big, deep dish or bowl with a cover. it's used to serve soup usually.
a cover for a posh dish that severs in hotels use for posh dishes
a deep bowl from which food (as soup) is served
Who's tureen? Is she nice?
Since a tureen is a serving dish for soup, then the analogy likely refers to a serving dish for meat. Perhaps platter is the word you're looking for.