meager vs scarcer than hen's teeth

meager

adj
  • Poor, deficient or inferior in amount, quality or extent 

  • Of a set: such that, considered as a subset of a (usually larger) topological space, it is in a precise sense small or negligible. 

  • Having little flesh; lean; thin. 

  • Dry and harsh to the touch (e.g., as chalk). 

verb
  • To make lean. 

scarcer than hen's teeth

How often have the words meager and scarcer than hen's teeth occurred in a corpus of books? (source: Google Ngram Viewer )