The Collaborative International Dictionary of English v.0.48:

Meagerness \Mea"ger*ness\, Meagreness \Mea"gre*ness\, n.
   The state or quality of being meager; leanness; scantiness;
   barrenness.

   Syn: meagreness, poorness, scantiness, scantness, exiguity.
        [1913 Webster]

WordNet (r) 3.0 (2006):

meagreness
    n 1: the quality of being meager; "an exiguity of cloth that
         would only allow of miniature capes"-George Eliot [syn:
         meagerness, meagreness, leanness, poorness,
         scantiness, scantness, exiguity]