One who trims, arranges, fits, or ornaments.
- One that trims: a window trimmer.
- A device or machine, such as a lumber trimmer, that is used for trimming.
- One who changes one's opinions, especially in politics, to suit the needs of the moment.
- Electronics A variable component used to make fine adjustments to capacity or resistance.
- Architecture A beam across an opening, such as a hearth, into which the ends of joists can be fitted.