From HomoExcelsior

1. a hedge trimmer. 2. A device or machine, such as a lumber trimmer, that is used for trimming. 3. One who changes one's opinions, especially political opinions, to suit the needs of the moment. 4. A variable component used to make fine adjustments to capacity or resistance. 5. A beam across an opening, such as a hearth, into which the ends of joists can be fitted.

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