skirr vs weigh anchor

skirr

verb
  • to pass over quickly, skim 

  • To make a whirring sound. 

  • To leave hastily; to flee, especially with a whirring sound 

  • To search about in, scour 

noun
  • A tern. 

weigh anchor

verb
  • To raise the anchor of a ship or boat prior to getting under way. 

How often have the words skirr and weigh anchor occurred in a corpus of books? (source: Google Ngram Viewer )