Source : Webster's Revised Unabridged Dictionary (1913)

Tonsil \Ton"sil\, n. [L. tonsill?, pl.: cf. F. tonsille. ]
   (Anat.)
   One of the two glandular organs situated in the throat at the
   sides of the fauces. The tonsils are sometimes called the
   {almonds}, from their shape.

Source : WordNet®

tonsil
     n : either of two masses of lymphatic tissue one on each side of
         the oral pharynx [syn: {palatine tonsil}, {faucial tonsil},
          {tonsilla}]