Daughter can have several meanings:

• In the family, daughter is a relationship
• In physics, a daugther is a nuclide formed by radioactive decay of another.
• In linguistics, a daughter (language) is any of a later language derived from an earlier language. It may also be a node in a phrase structure tree, subordinated to a node of a higher level.
• In computing, a daughterboard or daughter card is a subordinate extension of a motherboard. It is attached typically more directly than an expansion card, and typically is integral to the motherboard's operation.
• "Daughter" is a song from Pearl Jam's 1993 album Vs.
• Daughters is the name of a band.
• "Daughters" is a song from John Mayer's 2003 album "Heavier Things"

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