descender

from WordNet (r) 3.0 (2006)
descender
    n 1: someone who descends
    2: a lowercase letter that has a part extending below other
       lowercase letters
    3: (printing) the part of lowercase letters that extends below
       the other lowercase letters
    
from The Collaborative International Dictionary of English v.0.48
Descender \De*scend"er\, n.
   One who descends.
   [1913 Webster]
    
from The Free On-line Dictionary of Computing (8 July 2008)
descender

   <text> A lowercase letter that extends below the base line,
   such as "g", "j", or "p".  Also used to denote the part of the
   letter extending below the base line.  Compare {ascender}.

   (1998-03-27)
    
from Bouvier's Law Dictionary, Revised 6th Ed (1856)
DESCENDER. In the descent; as formed on in the descender. Bac. Ab. Formedon, 
A 1. Vide Formedon. 
    

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