Answer:
Until I am measured I am not known, Yet how you miss me when I have flown.
No matter how little or how much you use me, you change me every month.
What has a bell but isn't a church. Is full of air but is not a balloon?
A muttered rumble was heard from the pen, and I, in my walking stopped to look in. What was this I saw? A massive beast, hoofed, and jawed. With spikes upon its mighty brow, I watched as he struck the turf and prowled. And yet for all of his magnificence, he couldn't get out of that wooden fence.
Whiling away the hours of flowers, Walking through fields of gold. Preening and pruning in lights fading hours, For petals to freeze in the cold. What is it?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.