tumbler

US /-blɚ/
UK /-blɚ/
"tumbler" picture
1.

a drinking glass with straight sides and no handle or stem

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She poured water into a tall tumbler.
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He dropped the tumbler and it shattered on the floor.
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glasscupbeaker
2.

a person who performs acrobatic feats, such as somersaults and handsprings

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The young tumbler amazed the crowd with her flips.
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The circus featured a skilled tumbler.
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acrobatgymnastcontortionist
3.

a part of a lock that holds the bolt in position until it is moved by a key

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The locksmith adjusted the tumblers in the old lock.
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A worn tumbler can make a lock difficult to open.
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pinleverbolt