Tishah bAv


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Tish•ah b'Av

or Tish•ah b'Ab

(ˈtɪʃ ə ˌbɔv, tiˈʃɑ bəˈɑv)
n.
a Jewish fast day observed on the ninth day of Av in memory of the destruction of the First and Second Temples in Jerusalem.
[< Hebrew tish‘āh bə'ābh ninth (day) of Av]