Search Result for "hallel": 
Wordnet 3.0

NOUN (1)

1. (Judaism) a chant of praise (Psalms 113 through 118) used at Passover and Shabuoth and Sukkoth and Hanukkah and Rosh Hodesh; 



WordNet (r) 3.0 (2006):

Hallel
    n 1: (Judaism) a chant of praise (Psalms 113 through 118) used
         at Passover and Shabuoth and Sukkoth and Hanukkah and Rosh
         Hodesh