Answer:
A word of five letters, Upside down is the same, A shark does this, But it’s not to blame. What is the word?
It is by nature, soft as silk; A puffy cloud, white as milk; Snow tops this tropical crop; The dirtiest part of a mop
Face with a tree, skin like the sea. A great beast I am. Yet vermin frightens me.
My first is high, My second damp, My whole a tie, A writer's cramp
What goes in, but never through? I've got some and so do you. We might lend one, or even two, but only if our trust is true.
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.