The centerpiece of the traditional Thanksgiving meal:
A roasted turkey, with its body cavity filled with a mixture of ingredients that were inside it during the roasting. There is some dispute — well, variation in local usage, about which some people feel proprietary — as to what this mixture is called: stuffing (which is pretty transparent semantically) and dressing (which is puzzling) are the most common alternatives, but some Pennsylvania Dutch folk favor filling (pretty semantically transparent again). But matters are more complicated, since some things called stuffing are used as side dishes, not stuffed into anything.
Then there’s the puzzle of dressing, which turns out to have a surprising etymology, one that connects it to the piece of women’s clothing the dress.