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A star in the Big Dipper, in the constellation Ursa Major, approximately 82 light years from Earth.

[Short for Arabic maġriz aḏ-ḏanab ad-dubb al-'akbar, the root of the tail of the greater bear, from maġriz, root, from ġaraza, to prick, insert; see ġrz in Semitic roots.]
References in periodicals archive ?
Nevertheless, with averted vision I followed the comet's tail past Delta Ursae Majoris.