#0821 אַשְׁמֻרָה 'ashmurah {ash-moo-raw'}
     or אַשְׁמוּרָה 'ashmuwrah {ash-moo-raw'} or
      'ashmoreth {ash-mo'-reth}

 from H8104; TWOT - 2414e; n f

—Hebrew Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) watch (a period of time), night-watch

—Brown-Driver-Briggs (Old Testament Hebrew-English Lexicon)

—Strong's (Hebrew & Chaldee Dictionary of the Old Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - watch 5, night watch 2; 7

—Exhaustive Concordance (KJV Translation Frequency & Location)