clench vs eared seal

clench

noun
  • A seal that is applied to formed thin-wall bushings. 

  • A tight grip. 

  • A local chapter of the Church of the SubGenius parody religion. 

verb
  • To close tightly. 

  • To grip or hold fast. 

eared seal

noun
  • A seal belonging in the Otariidae family; a fur seal or a sea lion, differing from the true seals in having small, visible ears and the ability to walk on land. 

How often have the words clench and eared seal occurred in a corpus of books? (source: Google Ngram Viewer )