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upper
adjective
- in a place or on a level above another: upper lip, upper jaw, upper floor
- higher in rank, authority, or dignity: the upper classes
- being farther north, farther inland, or at a higher elevation of land: the upper St. Lawrence
- Archaeol., Geol. more recent; later: used of a division of a period [Upper Cambrian, Upper Paleolithic]
noun
- the part of a shoe or boot above the sole
- ☆ Informal an upper berth, as in a Pullman car
- Informal the upper teeth or dentures
- Slang any drug containing a stimulant; esp., an amphetamine
See upper in American Heritage Dictionary 4
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