sea lion vs sealskin

sea lion

noun
  • A marine mammal of any of several genera in the family Otariidae (the eared seals). 

  • A steamer transporting cattle from the ports of Texas. 

  • A monster consisting of the upper part of a lion combined with the tail of a fish. 

  • A cow or bull transported by steamer from the ports of Texas. 

sealskin

noun
  • A type of fabric made from the skin of seals. 

  • An item of clothing made from sealskin (whether real or imitation). 

  • Any fabric manufactured to resemble sealskin. 

How often have the words sea lion and sealskin occurred in a corpus of books? (source: Google Ngram Viewer )