Answer:
I help engines spin and pants stay up.
I have no head and a tail I lack but I do have arms and legs and back; I inhabit the palace the tavern the cot 'tis a beggarly residence where I am not. If a monarch were present (I tell you no fable) I still should be placed at the head of the table.
I can bring tears to your eyes, resurrect the dead, make you smile, and reverse time. I form in an instant, but I last a lifetime. What am I?
What is eaten but can also eat?
I invade your home once a yearโฆbut only if youโve been good.
A little house full of meat, no door to go in and eat.