Source : Webster's Revised Unabridged Dictionary (1913)

Chantry \Chant"ry\, n.; pl. {Chantries}. [OF. chanterie, fr.
   chanter to sing.]
   1. An endowment or foundation for the chanting of masses and
      offering of prayers, commonly for the founder.

   2. A chapel or altar so endowed. --Cowell.

Source : WordNet®

chantry
     n 1: an endowment for the singing of Masses
     2: a chapel endowed for singing Masses for the soul of the
        donor