Sentence:  The Raven has a very ancient look about him, as if he could tell a lot if he thought proper, but the <WSD>Cob</WSD> looks weird and uncanny, as if he was continually thinking over the creatures that he had seen go down to Davy's locker. 
Meaning of the word marked with <WSD> tags:  A gull, especially the black-backed gull ("Larus marinus"); also spelled cobb.